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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 37
Chapter II
Part 211 - PART 211—MASK WORK PROTECTION
§ 211.1 - General provisions.
§ 211.2 - Recordation of documents pertaining to mask works.
§ 211.3 - Mask work fees.
§ 211.4 - Registration of claims of protection in mask works.
§ 211.5 - Deposit of identifying material.
§ 211.6 - Methods of affixation and placement of mask work notice.
§ 211.7 - Reconsideration procedure for refusals to register.
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