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37 C.F.R. § 220.3
Cited by 1 regulation in release Current.
(2) The Board may not suspend or amend the rules governing the following parts and sections: 37 CFR parts 227 through 232 and 234, 37 CFR 220.1 through 220.4, 37 CFR 222.1, 37 CFR 223.3, or 37 CFR 224.2.