Artikel 2

1. Each Member, after consultation with the representative organisations of employers and workers, where such exist, may accept the obligations of this Convention separately in respect of –
(a) air pollution;
(b) noise; and
(c) vibration.
2. A Member which does not accept the obligations of the Convention in respect of one or more of the categories of hazards shall specify this in its ratification and shall give reasons in the first report on the application of the Convention submitted under article 22 of the Constitution of the International Labour Organisation; it shall state in subsequent reports the position of its law and practice in respect of the category or categories of hazards excluded and the extent to which effect has been given or is proposed to be given to the Convention in respect of each such category of hazards.
3. Each Member which has not on ratification accepted the obligations of this Convention in respect of all the categories of hazards shall subsequently, when it is satisfied that conditions permit this, notify the Director-General of the International Labour Office that it accepts the obligations of the Convention in respect of a category or categories previously excluded.