38 C.F.R. § 13.220
(a) Authority. The Hub Manager with jurisdiction over a fiduciary appointment may determine whether a fee is necessary to obtain the services of a fiduciary. A fee is necessary only if no other person or entity is qualified and willing to serve without a fee and the beneficiary's interests would be served by the appointment of a qualified paid fiduciary. The Hub Manager will not authorize a fee if the fiduciary:
(b) Limitation on fees. The Hub Manager will authorize a fiduciary to whom a fee is payable under paragraph (a) of this section to deduct from the beneficiary's account a reasonable monthly fee for fiduciary services rendered.
(2) A monthly fee may be collected for any month during which the fiduciary:
(3) Fees may not be computed based upon:
(4) The Hub Manager will not authorize a fee for any month for which:
(ii) The beneficiary does not receive a VA benefit payment. However, the Hub Manager may authorize a fee for a month in which the beneficiary did not receive a benefit payment if VA later issues benefits for that month and the fiduciary:
(C) Was the beneficiary's fiduciary when VA made the retroactive payment.
(Authority: 38 U.S.C. 501, 5502, 6101, 6106)