31 C.F.R. § 91.9 Soliciting, vending, debt collection, and distribution of handbills.
Title 31 - Money and Finance: Treasury
The unauthorized soliciting of alms and contributions, the commercial soliciting and vending of all kinds, the display or distribution of commercial advertising, or the collecting of private debts, in or on the property, is prohibited. This rule does not apply to Bureau of the Mint concessions or notices posted by authorized employees on the bulletin boards. Distribution of material such as pamphlets, handbills, and flyers is prohibited without prior approval from the Director of the Mint, or the delegate of the Director.
Title 31: Money and Finance: Treasury
PART 91—REGULATIONS GOVERNING CONDUCT IN OR ON THE BUREAU OF THE MINT BUILDINGS AND GROUNDS
§ 91.9 Soliciting, vending, debt collection, and distribution of handbills.