Section 450.15 - Termination of delegation(a) An Approval Authority may voluntarily terminate its delegation by giving written notice of its intent to the Chief, Office of Operating and Environmental Standards (CG-522), U.S. Coast Guard. This notice must contain the date on which the termination is to be effective.45 FR 37213, 6/2/1980, as amended at 47 FR 50496, 11/8/1982; 69 FR 58352, 9/30/2004