12 CFR §1263.13

1. (a)Standard. An applicant shall be deemed to be in compliance with the home financing policy requirements of section 4(a)(2)(C) of the Bank Act (12 U.S.C. 1424(a)(2)(C)) and § 1263.6(a)(6), if the applicant has received a CRA rating of “Satisfactory” or better on its most recent CRA performance evaluation.
2. (b)Written justification required. An applicant that is not subject to the CRA shall file, as part of its application for membership, a written justification acceptable to the Bank of how and why the applicant's home financing policy is consistent with the Bank System's housing finance mission.