The Convention on the International Regulations for Preventing Collisions at Sea (COLREG), 1972 has been accepted by many States since it was adopted in 1972 & entered into force in July 1977. It was amended in 1981, 1987, 1989, 1993 & 2001. This publication contains the fully consolidated text of the 1972 Convention. It supersedes the 2002 consolidated edition.