38 CFR § 36.4349
Waivers, consents, and approvals; when effective
November 5, 2020
No waiver, consent, or approval required or authorized by the regulations concerning guaranty or insurance of loans to veterans shall be valid unless in writing signed by the Secretary or the subordinate officer to whom authority has been delegated by the Secretary.
(Authority 38 U.S.C. 3703(c)(1))