C4 - Night Work (Women) Convention, 1919

 [Abrogated Convention - By decision of the ILC at its 106th Session (2017)]

Preamble

The General Conference of the International Labour Organisation,

Having been convened at Washington by the Government of the United States of America on the 29th day of October 1919, and

Having decided upon the adoption of certain proposals with regard to women's employment; during the night, which is part of the third item in the agenda for the Washington meeting of the Conference, and

Having determined that these proposals shall take the form of an international Convention,

adopts the following Convention, which may be cited as the Night Work (Women) Convention, 1919, for ratification by the Members of the International Labour Organisation in accordance with the provisions of the International Labour Organisation:

Article 1

1. 1. For the purpose of this Convention, the term industrial undertaking includes particularly--
   • (a) mines, quarries, and other works for the extraction of minerals from the earth;
   • (b) industries in which articles are manufactured, altered, cleaned, repaired, ornamented, finished, adapted for sale, broken up or demolished, or in which materials are transformed; including shipbuilding, and the generation, transformation, and transmission of electricity or motive power of any kind;
   • (c) construction, reconstruction, maintenance, repair, alteration, or demolition of any building, railway, tramway, harbour, dock, pier, canal, inland waterway, road, tunnel, bridge, viaduct, sewer, drain, well, telegraphic or telephonic installation, electrical undertaking, gas work, waterwork, or other work of construction, as well as the preparation for or laying the foundations of any such work or structure.
2. 2. The competent authority in each country shall define the line of division which separates industry from commerce and agriculture.

Article 2

1. 1. For the purpose of this Convention, the term night signifies a period of at least eleven consecutive hours, including the interval between ten o'clock in the evening and five o'clock in the morning.
2. 2. In those countries where no Government regulation as yet applies to the employment of women in industrial undertakings during the night, the term night may provisionally, and for a maximum period of three years, be declared by the Government to signify a period of only ten hours, including the interval between ten o'clock in the evening and five o'clock in the morning.

Article 3

Women without distinction of age shall not be employed during the night in any public or private industrial undertaking, or in any branch thereof, other than an undertaking in which only members of the same family are employed.

Article 4

Article 3 shall not apply--

• (a) in cases of "force majeure", when in any undertaking there occurs an interruption of work which it was impossible to foresee, and which is not of a recurring character;
• (b) in cases where the work has to do with raw materials or materials in course of treatment which are subject to rapid deterioration, when such night work is necessary to preserve the said materials from certain loss.

Article 5

In India and Siam, the application of Article 3 of this Convention may be suspended by the Government in respect to any industrial undertaking, except factories as defined by the national law. Notice of every such suspension shall be filed with the International Labour Office.

Article 6

In industrial undertakings which are influenced by the seasons and in all cases where exceptional circumstances demand it, the night period may be reduced to ten hours on sixty days of the year.

Article 7

In countries where the climate renders work by day particularly trying to the health, the night period may be shorter than prescribed in the above Articles, provided that compensatory rest is accorded during the day.

Article 8

The formal ratifications of this Convention, under the conditions set forth in the Constitution of the International Labour Organisation, shall be communicated to the Director-General of the International Labour Office for registration.

Article 9

1. 1. Each Member of the International Labour Organisation which ratifies this Convention engages to apply it to its colonies, protectorates and possessions which are not fully self-governing--
   • (a) except where owing to the local conditions its provisions are inapplicable; or
   • (b) subject to such modifications as may be necessary to adapt its provisions to local conditions.
2. 2. Each Member shall notify to the International Labour Office the action taken in respect of each of its colonies, protectorates, and possessions which are not fully self-governing.

Article 10

As soon as the ratifications of two Members of the International Labour Organisation have been registered with the International Labour Office, the Director-General of the International Labour Office shall so notify all the Members of the International Labour Organisation.

Article 11

This Convention shall come into force at the date on which such notification is issued by the Director-General of the International Labour Office, but it shall then be binding only upon those Members which have registered their ratifications with the International Labour Office. Thereafter this Convention will come into force for any other Member at the date on which its ratification is registered with the International Labour Office.

Article 12

Each Member which ratifies this Convention agrees to bring its provisions into operation not later than 1 July 1922, and to take such action as may be necessary to make these provisions effective.

Article 13

A Member which has ratified this Convention may denounce it after the expiration of ten years from the date on which the Convention first comes into force, by an act communicated to the Director-General of the International Labour Office for registration. Such denunciation shall not take effect until one year after the date on which it is registered with the International Labour Office.

Article 14

At such times as it may consider necessary the Governing Body of the International Labour Office shall present to the General Conference a report on the working of this Convention, and shall examine the desirability of placing on the agenda of the Conference the question of its revision in whole or in part.

Article 15

The French and English texts of this Convention shall both be authentic.

C3 - Maternity Protection Convention, 1919

Preamble

The General Conference of the International Labour Organisation,

Having been convened at Washington by the Government of the United States of America on the 29th day of October 1919, and

Having decided upon the adoption of certain proposals with regard to "women's employment, before and after childbirth, including the question of maternity benefit", which is part of the third item in the agenda for the Washington meeting of the Conference, and

Having determined that these proposals shall take the form of an international Convention,

adopts the following Convention, which may be cited as the Maternity Protection Convention, 1919, for ratification by the Members of the International Labour Organisation in accordance with the provisions of the Constitution of the International Labour Organisation:

Article 1

1. 1. For the purpose of this Convention, the term industrial undertaking includes particularly--
   • (a) mines, quarries, and other works for the extraction of minerals from the earth;
   • (b) industries in which articles are manufactured, altered, cleaned, repaired, ornamented, finished, adapted for sale, broken up or demolished, or in which materials are transformed; including shipbuilding and the generation, transformation, and transmission of electricity or motive power of any kind;
   • (c) construction, reconstruction, maintenance, repair, alteration, or demolition of any building, railway, tramway, harbour, dock, pier, canal, inland waterway, road, tunnel, bridge, viaduct, sewer, drain, well, telegraphic or telephonic installation, electrical undertaking, gas work, water work, or other work of construction, as well as the preparation for or laying the foundation of any such work or structure;
   • (d) transport of passengers or goods by road, rail, sea, or inland waterway, including the handling of goods at docks, quays, wharves, and warehouses, but excluding transport by hand.
2. 2. For the purpose of this Convention, the term commercial undertaking includes any place where articles are sold or where commerce is carried on.
3. 3. The competent authority in each country shall define the line of division which separates industry and commerce from agriculture.

Article 2

For the purpose of this Convention, the term woman signifies any female person, irrespective of age or nationality, whether married or unmarried, and the term child signifies any child whether legitimate or illegitimate.

Article 3

In any public or private industrial or commercial undertaking, or in any branch thereof, other than an undertaking in which only members of the same family are employed, a woman--

• (a) shall not be permitted to work during the six weeks following her confinement;
• (b) shall have the right to leave her work if she produces a medical certificate stating that her confinement will probably take place within six weeks;
• (c) shall, while she is absent from her work in pursuance of paragraphs (a) and (b), be paid benefits sufficient for the full and healthy maintenance of herself and her child, provided either out of public funds or by means of a system of insurance, the exact amount of which shall be determined by the competent authority in each country, and as an additional benefit shall be entitled to free attendance by a doctor or certified midwife; no mistake of the medical adviser in estimating the date of confinement shall preclude a woman from receiving these benefits from the date of the medical certificate up to the date on which the confinement actually takes place;
• (d) shall in any case, if she is nursing her child, be allowed half an hour twice a day during her working hours for this purpose.

Article 4

Where a woman is absent from her work in accordance with paragraph (a) or (b) of Article 3 of this Convention, or remains absent from her work for a longer period as a result of illness medically certified to arise out of pregnancy or confinement and rendering her unfit for work, it shall not be lawful, until her absence shall have exceeded a maximum period to be fixed by the competent authority in each country, for her employer to give her notice of dismissal during such absence, nor to give her notice of dismissal at such a time that the notice would expire during such absence.

Article 5

The formal ratifications of this Convention, under the conditions set forth in the Constitution of the International Labour Organisation, shall be communicated to the Director-General of the International Labour Office for registration.

Article 6

1. 1. Each Member of the International Labour Organisation which ratifies this Convention engages to apply it to its colonies, protectorates and possessions which are not fully self-governing--
   • (a) except where owing to the local conditions its provisions are inapplicable; or
   • (b) subject to such modifications as may be necessary to adapt its provisions to local conditions.
2. 2. Each Member shall notify to the International Labour Office the action taken in respect of each of its colonies, protectorates, and possessions which are not fully self-governing.

Article 7

As soon as the ratifications of two Members of the International Labour Organisation have been registered with the International Labour Office, the Director-General of the International Labour Office shall so notify all the Members of the International Labour Organisation.

Article 8

This Convention shall come into force at the date on which such notification is issued by the Director-General of the International Labour Office, but it shall then be binding only upon those Members which have registered their ratifications with the International Labour Office. Thereafter this Convention will come into force for any other Member at the date on which its ratification is registered with the International Labour Office.

Article 9

Each Member which ratifies this Convention agrees to bring its provisions into operation not later than 1 July 1922, and to take such action as may be necessary to make these provisions effective.

Article 10

A Member which has ratified this Convention may denounce it after the expiration of ten years from the date on which the Convention first comes into force, by an act communicated to the Director-General of the International Labour Office for registration. Such denunciation shall not take effect until one year after the date on which it is registered with the International Labour Office.

Article 11

At such times as it may consider necessary the Governing Body of the International Labour Office shall present to the General Conference a report on the working of this Convention and shall examine the desirability of placing on the agenda of the Conference the question of its revision in whole or in part.

Article 12

The French and English texts of this Convention shall both be authentic.

C2 - Unemployment Convention, 1919

Preamble

The General Conference of the International Labour Organisation,

Having been convened at Washington by the Government of the United States of America on the 29th day of October 1919, and

Having decided upon the adoption of certain proposals with regard to the "question of preventing or providing against unemployment", which is the second item in the agenda for the Washington meeting of the Conference, and

Having determined that these proposals shall take the form of an international Convention,

adopts the following Convention, which may be cited as the Unemployment Convention, 1919, for ratification by the Members of the International Labour Organisation in accordance with the provisions of the Constitution of the International Labour Organisation:

Article 1

Each Member which ratifies this Convention shall communicate to the International Labour Office, at intervals as short as possible and not exceeding three months, all available information, statistical or otherwise, concerning unemployment, including reports on measures taken or contemplated to combat unemployment. Whenever practicable, the information shall be made available for such communication not later than three months after the end of the period to which it relates.

Article 2

1. 1. Each Member which ratifies this Convention shall establish a system of free public employment agencies under the control of a central authority. Committees, which shall include representatives of employers and of workers, shall be appointed to advise on matters concerning the carrying on of these agencies.
2. 2. Where both public and private free employment agencies exist, steps shall be taken to co-ordinate the operations of such agencies on a national scale.
3. 3. The operations of the various national systems shall be co-ordinated by the International Labour Office in agreement with the countries concerned.

Article 3

The Members of the International Labour Organisation which ratify this Convention and which have established systems of insurance against unemployment shall, upon terms being agreed between the Members concerned, make arrangements whereby workers belonging to one Member and working in the territory of another shall be admitted to the same rates of benefit of such insurance as those which obtain for the workers belonging to the latter.

Article 4

The formal ratifications of this Convention, under the conditions set forth in the Constitution of the International Labour Organisation, shall be communicated to the Director-General of the International Labour Office for registration.

Article 5

1. 1. Each Member of the International Labour Organisation which ratifies this Convention engages to apply it to its colonies, protectorates and possessions which are not fully self-governing--
   • (a) except where owing to the local conditions its provisions are inapplicable; or
   • (b) subject to such modifications as may be necessary to adapt its provisions to local conditions.
2. 2. Each Member shall notify to the International Labour Office the action taken in respect of each of its colonies, protectorates, and possessions which are are not fully self-governing.

Article 6

As soon as the ratifications of three Members of the International Labour Organisation have been registered with the International Labour Office, the Director-General of the International Labour Office shall so notify all the Members of the International Labour Organisation.

Article 7

This Convention shall come into force at the date on which such notification is issued by the Director-General of the International Labour Office, but it shall then be binding only upon those Members which have registered their ratifications with the International Labour Office. Thereafter this Convention will come into force for any other Member at the date on which its ratification is registered with the International Labour Office.

Article 8

Each Member which ratifies this Convention agrees to bring its provisions into operation not later than 1 July 1921, and to take such action as may be necessary to make these provisions effective.

Article 9

A Member which has ratified this Convention may denounce it after the expiration of ten years from the date on which the Convention first comes into force, by an act communicated to the Director-General of the International Labour Office for registration. Such denunciation shall not take effect until one year after the date on which it is registered with the International Labour Office.

Article 10

At such times as it may consider necessary the Governing Body of the International Labour Office shall present to the General Conference a report on the working of this Convention and shall examine the desirability of placing on the agenda of the Conference the question of its revision in whole or in part.

Article 11

The French and English texts of this Convention shall both be authentic.

C1 - Hours of Work (Industry) Convention, 1919

Preamble

The General Conference of the International Labour Organisation,

Having been convened at Washington by the Government of the United States of America on the 29 th day of October 1919, and

Having decided upon the adoption of certain proposals with regard to the "application of the principle of the 8-hours day or of the 48-hours week", which is the first item in the agenda for the Washington meeting of the Conference, and

Having determined that these proposals shall take the form of an international Convention,

adopts the following Convention, which may be cited as the Hours of Work (Industry) Convention, 1919, for ratification by the Members of the International Labour Organisation, in accordance with the provisions of the Constitution of the International Labour Organisation:

Article 1

1. 1. For the purpose of this Convention, the term industrial undertaking includes particularly--
   • (a) mines, quarries, and other works for the extraction of minerals from the earth;
   • (b) industries in which articles are manufactured, altered, cleaned, repaired, ornamented, finished, adapted for sale, broken up or demolished, or in which materials are transformed; including shipbuilding and the generation, transformation, and transmission of electricity or motive power of any kind;
   • (c) construction, reconstruction, maintenance, repair, alteration, or demolition of any building, railway, tramway, harbour, dock, pier, canal, inland waterway, road, tunnel, bridge, viaduct, sewer, drain, well, telegraphic or telephonic installation, electrical undertaking, gas work, waterwork or other work of construction, as well as the preparation for or laying the foundations of any such work or structure;
   • (d) transport of passengers or goods by road, rail, sea or inland waterway, including the handling of goods at docks, quays, wharves or warehouses, but excluding transport by hand.
2. 2. The provisions relative to transport by sea and on inland waterways shall be determined by a special conference dealing with employment at sea and on inland waterways.
3. 3. The competent authority in each country shall define the line of division which separates industry from commerce and agriculture.

Article 2

The working hours of persons employed in any public or private industrial undertaking or in any branch thereof, other than an undertaking in which only members of the same family are employed, shall not exceed eight in the day and forty-eight in the week, with the exceptions hereinafter provided for:

• (a) the provisions of this Convention shall not apply to persons holding positions of supervision or management, nor to persons employed in a confidential capacity;
• (b) where by law, custom, or agreement between employers' and workers' organisations, or, where no such organisations exist, between employers' and workers' representatives, the hours of work on one or more days of the week are less than eight, the limit of eight hours may be exceeded on the remaining days of the week by the sanction of the competent public authority, or by agreement between such organisations or representatives; provided, however, that in no case under the provisions of this paragraph shall the daily limit of eight hours be exceeded by more than one hour;
• (c) where persons are employed in shifts it shall be permissible to employ persons in excess of eight hours in any one day and forty-eight hours in any one week, if the average number of hours over a period of three weeks or less does not exceed eight per day and forty-eight per week.

Article 3

The limit of hours of work prescribed in Article 2 may be exceeded in case of accident, actual or threatened, or in case of urgent work to be done to machinery or plant, or in case of "force majeure", but only so far as may be necessary to avoid serious interference with the ordinary working of the undertaking.

Article 4

The limit of hours of work prescribed in Article 2 may also be exceeded in those processes which are required by reason of the nature of the process to be carried on continuously by a succession of shifts, subject to the condition that the working hours shall not exceed fifty-six in the week on the average. Such regulation of the hours of work shall in no case affect any rest days which may be secured by the national law to the workers in such processes in compensation for the weekly rest day.

Article 5

1. 1. In exceptional cases where it is recognised that the provisions of Article 2 cannot be applied, but only in such cases, agreements between workers' and employers' organisations concerning the daily limit of work over a longer period of time may be given the force of regulations, if the Government, to which these agreements shall be submitted, so decides.
2. 2. The average number of hours worked per week, over the number of weeks covered by any such agreement, shall not exceed forty-eight.

Article 6

1. 1. Regulations made by public authority shall determine for industrial undertakings--
   • (a) the permanent exceptions that may be allowed in preparatory or complementary work which must necessarily be carried on outside the limits laid down for the general working of an establishment, or for certain classes of workers whose work is essentially intermittent;
   • (b) the temporary exceptions that may be allowed, so that establishments may deal with exceptional cases of pressure of work.
2. 2. These regulations shall be made only after consultation with the organisations of employers and workers concerned, if any such organisations exist. These regulations shall fix the maximum of additional hours in each instance, and the rate of pay for overtime shall not be less than one and one-quarter times the regular rate.

Article 7

1. 1. Each Government shall communicate to the International Labour Office--
   • (a) a list of the processes which are classed as being necessarily continuous in character under Article 4;
   • (b) full information as to working of the agreements mentioned in Article 5; and
   • (c) full information concerning the regulations made under Article 6 and their application.
2. 2. The International Labour Office shall make an annual report thereon to the General Conference of the International Labour Organisation.

Article 8

1. 1. In order to facilitate the enforcement of the provisions of this Convention, every employer shall be required--
   • (a) to notify by means of the posting of notices in conspicuous places in the works or other suitable place, or by such other method as may be approved by the Government, the hours at which work begins and ends, and where work is carried on by shifts, the hours at which each shift begins and ends; these hours shall be so fixed that the duration of the work shall not exceed the limits prescribed by this Convention, and when so notified they shall not be changed except with such notice and in such manner as may be approved by the Government;
   • (b) to notify in the same way such rest intervals accorded during the period of work as are not reckoned as part of the working hours;
   • (c) to keep a record in the form prescribed by law or regulation in each country of all additional hours worked in pursuance of Articles 3 and 6 of this Convention.
2. 2. It shall be made an offence against the law to employ any person outside the hours fixed in accordance with paragraph (a), or during the intervals fixed in accordance with paragraph (b).

Article 9

In the application of this Convention to Japan the following modifications and conditions shall obtain:

• (a) the term "industrial undertaking" includes particularly--

the undertakings enumerated in paragraph (a) of Article 1;

the undertakings enumerated in paragraph (b) of Article 1, provided there are at least ten workers employed;

the undertakings enumerated in paragraph (c) of Article 1, in so far as these undertakings shall be defined as "factories" by the competent authority;

the undertakings enumerated in paragraph (d) of Article 1, except transport of passengers or goods by road, handling of goods at docks, quays, wharves, and warehouses, and transport by hand; and, regardless of the number of persons employed, such of the undertakings enumerated in paragraph (b) and (c) of Article 1 as may be declared by the competent authority either to be highly dangerous or to involve unhealthy processes.

• (b) the actual working hours of persons of fifteen years of age or over in any public or private industrial undertaking, or in any branch thereof, shall not exceed fifty-seven in the week, except that in the raw-silk industry the limit may be sixty hours in the week;
• (c) the actual working hours of persons under fifteen years of age in any public or private industrial undertaking, or in any branch thereof, and of all miners of whatever age engaged in underground work in the mines, shall in no case exceed forty-eight in the week;
• (d) the limit of hours of work may be modified under the conditions provided for in Articles 2, 3, 4 and 5 of this Convention, but in no case shall the length of such modification bear to the length of the basic week a proportion greater than that which obtains in those Articles;
• (e) a weekly rest period of twenty-four consecutive hours shall be allowed to all classes of workers;
• (f) the provision in Japanese factory legislation limiting its application to places employing fifteen or more persons shall be amended so that such legislation shall apply to places employing ten or more persons;
• (g) the provisions of the above paragraphs of this Article shall be brought into operation not later than 1 July 1922, except that the provisions of Article 4 as modified by paragraph (d) of this Article shall be brought into operation not later than 1 July 1923;
• (h) the age of fifteen prescribed in paragraph (c) of this Article shall be raised, not later than 1 July 1925, to sixteen.

Article 10

In British India the principle of a sixty-hour week shall be adopted for all workers in the industries at present covered by the factory acts administered by the Government of India, in mines, and in such branches of railway work as shall be specified for this purpose by the competent authority. Any modification of this limitation made by the competent authority shall be subject to the provisions of Articles 6 and 7 of this Convention. In other respects the provisions of this Convention shall not apply to India, but further provisions limiting the hours of work in India shall be considered at a future meeting of the General Conference.

Article 11

The provisions of this Convention shall not apply to China, Persia, and Siam, but provisions limiting the hours of work in these countries shall be considered at a future meeting of the General Conference.

Article 12

In the application of this Convention to Greece, the date at which its provisions shall be brought into operation in accordance with Article 19 may be extended to not later than 1 July 1923, in the case of the following industrial undertakings:

• (1) carbon-bisulphide works,
• (2) acid works,
• (3) tanneries,
• (4) paper mills,
• (5) printing works,
• (6) sawmills,
• (7) warehouses for the handling and preparation of tobacco,
• (8) surface mining,
• (9) foundries,
• (10) lime works,
• (11) dye works,
• (12) glassworks (blowers),
• (13) gas works (firemen),
• (14) loading and unloading merchandise;

and to not later than 1 July 1924, in the case of the following industrial undertakings:

• (1) mechanical industries: machine shops for engines, safes, scales, beds, tacks, shells (sporting), iron foundries, bronze foundries, tin shops, plating shops, manufactories of hydraulic apparatus;
• (2) constructional industries: limekilns, cement works, plasterers' shops, tile yards, manufactories of bricks and pavements, potteries, marble yards, excavating and building work;
• (3) textile industries: spinning and weaving mills of all kinds, except dye works;
• (4) food industries: flour and grist-mills, bakeries, macaroni factories, manufactories of wines, alcohol, and drinks, oil works, breweries, manufactories of ice and carbonated drinks, manufactories of confectioners' products and chocolate, manufactories of sausages and preserves, slaughterhouses, and butcher shops;
• (5) chemical industries: manufactories of synthetic colours, glassworks (except the blowers), manufactories of essence of turpentine and tartar, manufactories of oxygen and pharmaceutical products, manufactories of flaxseed oil, manufactories of glycerine, manufactories of calcium carbide, gas works (except the firemen);
• (6) leather industries: shoe factories, manufactories of leather goods;
• (7) paper and printing industries: manufactories of envelopes, record books, boxes, bags, bookbinding, lithographing, and zinc-engraving shops;
• (8) clothing industries: clothing shops, underwear and trimmings, workshops for pressing, workshops for bed coverings, artificial flowers, feathers, and trimmings, hat and umbrella factories;
• (9) woodworking industries: joiners' shops, coopers' sheds, wagon factories, manufactories of furniture and chairs, picture-framing establishments, brush and broom factories;
• (10) electrical industries: power houses, shops for electrical installations;
• (11) transportation by land: employees on railroads and street cars, firemen, drivers, and carters.

Article 13

In the application of this Convention to Rumania the date at which its provisions shall be brought into operation in accordance with Article 19 may be extended to not later than 1 July 1924.

Article 14

The operation of the provisions of this Convention may be suspended in any country by the Government in the event of war or other emergency endangering the national safety.

Article 15

The formal ratifications of this Convention, under the conditions set forth in the Constitution of the International Labour Organisation, shall be communicated to the Director-General of the International Labour Office for registration.

Article 16

1. 1. Each Member of the International Labour Organisation which ratifies this Convention engages to apply it to its colonies, protectorates and possessions which are not fully self-governing--
   • (a) except where owing to the local conditions its provisions are inapplicable; or
   • (b) subject to such modifications as may be necessary to adapt its provisions to local conditions.
2. 2. Each Member shall notify to the International Labour Office the action taken in respect of each of its colonies, protectorates, and possessions which are not fully self-governing.

Article 17

As soon as the ratifications of two Members of the International Labour Organisation have been registered with the International Labour Office, the Director-General of the International Labour Office shall so notify all the Members of the International Labour Organisation.

Article 18

This Convention shall come into force at the date on which such notification is issued by the Director-General of the International Labour Office, and it shall then be binding only upon those Members which have registered their ratifications with the International Labour Office. Thereafter this Convention will come into force for any other Member at the date on which its ratification is registered with the International Labour Office.

Article 19

Each Member which ratifies this Convention agrees to bring its provisions into operation not later than 1 July 1921, and to take such action as may be necessary to make these provisions effective.

Article 20

A Member which has ratified this Convention may denounce it after the expiration of ten years from the date on which the Convention first comes into force, by an act communicated to the Director-General of the International Labour Office for registration. Such denunciation shall not take effect until one year after the date on which it is registered with the International Labour Office.

Article 21

At such times as it may consider necessary the Governing Body of the International Labour Office shall present to the General Conference a report on the working of this Convention and shall examine the desirability of placing on the agenda of the Conference the question of its revision in whole or in part.

Article 22

The French and English texts of this Convention shall both be authentic.