19 CFR 0.2: All other CBP regulations issued under the authority of the Department of Homeland Security.

(a) The authority of the Secretary of the Treasury with respect to CBP regulations that are not related to customs revenue functions was transferred to the Secretary of Homeland Security pursuant to section 403(1) of the Homeland Security Act of 2002. Such regulations are signed by the Secretary of Homeland Security (or his or her delegate) and are the official regulations of the Department of Homeland Security.

(b) When a regulation described in paragraph (a) of this section is published in the Federal Register, the preamble accompanying the regulation shall clearly indicate that it is being issued in accordance with paragraph (a) of this section.