Home › CFR › Title 21 › Part 110021 CFR Part 1100 — GeneralSubpart A — Tobacco Products Subject to FDA Authority§ 1100.1— Scope.§ 1100.2— Requirements.§ 1100.3— Definitions.§ 1100.5— Exclusion from tobacco regulation.Subpart C — Maintenance of Records Demonstrating That a Tobacco Product Was Commercially Marketed in the United States as of February 15, 2007.§ 1100.200— Purpose and scope.§ 1100.202— Definitions.§ 1100.204— Recordkeeping requirements.