Section 73.735-305 - Conduct in Federal buildings(a) An employee shall not participate while on Government-owned or leased property or while on duty for the Government, in any gambling activity including the operation of a gambling device, in conducting a lottery or pool, in a game for money or property, or in selling or purchasing a numbers slip or ticket.(b) An employee shall not while in or on Government-owned or leased property or while on duty for the Government solicit alms and contributions, engage in commercial soliciting and vending, display or distribute commercial advertisements, or collect private debts.(c) The prohibitions in paragraphs (a) and (b) of this section do not preclude:(1) Activities necessitated by an employee's law enforcement duties;(2) Participation in Federally sponsored fund-raising activities conducted pursuant to Executive Order 10927, or similar HHS-approved activities; or(3) Buying a lottery ticket at an authorized State lottery outlet for a lottery authorized by State law and conducted by an agency of a State within that State.(d) General Services Administration regulations on "Conduct on Federal Property" apply to all property under the control of the General Services Administration, and they are also applicable to all buildings and space under the control of this Department. These regulations prohibit, among other things, gambling, being intoxicated, and possession, distribution, or use of narcotic or dangerous drugs on the premises. The GSA regulations are found in Subpart 101-20.3 of the GSA Regulations, 41 CFR 101-20.3.