20 CFR § 802.213
Reply briefs
February 18, 2021
(a) Within 20 days after the receipt of a brief, memorandum, or statement submitted in response to the petition for review pursuant to §802.212, any party upon whom it was served may file a brief, memorandum, or other statement in reply to it.
(b) Arguments in reply briefs shall be limited to those which reply to arguments made in the response brief. Any other arguments in a reply brief will not be considered by the Board.