Home › CFR › Title 16 › Part 30416 CFR Part 304 — Rules and Regulations Under the Hobby Protection Act§ 304.1— Terms defined.§ 304.2— General requirement.§ 304.3— Applicability.§ 304.4— Application of other law or regulation.§ 304.5— Marking requirements for imitation political items.§ 304.6— Marking requirements for imitation numismatic items.