17 C.F.R. § 401.4
(a) Subject to the requirements of paragraph (b) of this section, a financial institution shall be exempt from the provisions of sections 15C (a), (b), and (d) of the Act (15 U.S.C. 78o-5 (a), (b), (d)) and the regulations of this subchapter if its government securities dealer activities are limited to one or more of the following activities:
(b)
(1) A financial institution that relies on the exemption contained in paragraph (a) of this section is required to comply with: