140.3—Applicability.
Unless otherwise stated, this subchapter applies to OCS facilities, vessels, and other units engaged in OCS activities as the term “OCS activities” is defined in § 140.10. This subchapter does not apply to pipelines and deepwater ports (as the term “deepwater port” is defined in section 3(10) of the Deepwater Port Act of 1974 (33 U.S.C. 1502 )).