37 C.F.R. § 1.803
(a) A deposit shall be recognized for the purposes of these regulations if made in
(2) Any other depository recognized to be suitable by the Office. Suitability will be determined by the Director on the basis of the administrative and technical competence, and agreement of the depository to comply with the terms and conditions applicable to deposits for patent purposes. The Director may seek the advice of impartial consultants on the suitability of a depository. The depository must:
(b) A depository seeking status under paragraph (a)(2) of this section must direct a communication to the Director which shall: