1 The formal ratifications of this Convention
shall be communicated to the Director-General of the International
Labour Office for registration.
2 This Convention shall be binding only upon those
Members of the International Labour Organization whose ratifications
have been registered by the Director- General.
3 This Convention shall come into force 12 months
after the date on which there have been registered ratifications by
at least 30 Members with a total share in the world gross tonnage
of ships of 33 per cent.
4 Thereafter, this Convention shall come into
force for any Member 12 months after the date on which its ratification
has been registered.