(a) General rule. Any person on Federal property is prohibited from the following activities:

1. (1) Posting or affixing materials, such as pamphlets, handbills, or flyers on Federal property, including vehicles, bulletin boards, and other equipment.
2. (2) Distributing materials, such as pamphlets, handbills or flyers, or free samples, including samples of tobacco products.

(b) Exceptions.

1. (1) The posting or distribution of materials is allowed when conducted as part of an authorized Federal activity.
2. (2) An individual may distribute materials in public areas on Federal property, provided the person first obtains a permit from the building manager, as specified in 41 CFR 102-74, subpart D, and the person does not leave behind any of the materials.