33 C.F.R. § 20.103
Construction and waiver of rules
(a) Each person with a duty to construe the rules in this part in an administrative proceeding shall construe them so as to secure a just, speedy, and inexpensive determination.
(b) Except to the extent that a waiver would be contrary to law, the Commandant, the Chief ALJ, or a presiding ALJ may, after notice, waive any of the rules in this part either to prevent undue hardship or manifest injustice or to secure a just, speedy, and inexpensive determination.
(c) Absent a specific provision in this part, the Federal Rules of Civil Procedure control.