(a) Purpose. The purpose of this subpart is to establish general rules of practice, where appropriate.

(b) Scope. General rules applicable to proceedings before OHA are set forth in subparts A and B of this part. Rules applicable to particular units or a particular type of proceeding are set forth in other subparts of this part. Wherever there is any conflict between one of the general rules in subparts A or B of this part and a rule in another subpart of this part, the specific rule will govern. Other laws, regulations, and policies of the Department may also address and be applicable to a particular type of proceeding. In addition, part 1 of this subtitle, which regulates practice before the Department of the Interior, applies to proceedings before OHA.