12 CFR §1211.4

1. (a)Authority. The Deputy Directors for Enterprise Regulation and for Federal Home Loan Bank Regulation, or their designees, may, in their discretion, issue to an Enterprise or to a Bank or the Office of Finance, respectively, a Non-Objection Letter stating that FHFA does not object to a proposed transaction or activity for supervisory, regulatory, or policy reasons. The Director reserves the right to modify, rescind, or supersede a Non-Objection Letter, with such action being effective only on a prospective basis.
2. (b)Requests. A regulated entity or the Office of Finance may request a Non-Objection Letter in accordance with § 1211.6.