12 C.F.R. § 1278.5
(b) Determination by Director. After FHFA determines that a merger application is complete, as provided in § 1278.4(c), the Director shall, within 30 days, either approve or deny the merger application. An approval of a merger application may include any conditions the Director determines to be appropriate, and shall in all cases be conditioned on each Constituent Bank demonstrating that it has obtained its members' ratification of the merger agreement in accordance with the requirements of § 1278.6 by submitting to FHFA: