Protocol of 1978 relating to the International Convention for the Prevention of Pollution from Ships, 1973

Article IV

Signature, ratification, acceptance, approval and accession

1 The present Protocol shall be open for signature at the Headquarters of the Organization from 1 June 1978 to 31 May 1979 and shall thereafter remain open for accession. States may become Parties to the present Protocol by:

  (a) signature without reservation as to ratification, acceptance or approval; or
  (b) signature, subject to ratification, acceptance or approval, followed by ratification, acceptance or approval; or
  (c) accession.

2 Ratification, acceptance, approval or accession shall be effected by the deposit of an instrument to that effect with the Secretary-General of the Organization.