(a) No person shall have or give any musical, theatrical or other entertainment, nor shall any military society or other parade, procession, public gathering or meeting of any kind take place, in any of the parks. No person shall, in any park or in any restaurant, building or place in the park, solicit fares, beg, publicly solicit subscriptions or make an oration, harangue, demonstration or address in a park, nor shall the speakers' stand be used except upon issuance of a permit by the Service Director, nor shall any ball games be held or played without a permit.
(b) The placing of any structure, sign, bulletin board or advertising device of any kind whatever, or the erection of any post or pole, or the attachment of any notice, bill, poster, sign, wire, rod or cord to any tree, shrub, fence, railing, fountain, wall, post or structure, or the placing of any advertising, decoration or other device of any kind whatever on any of the vases, statues, bridges or monuments in any park or parkway, is prohibited without a permit issued by the Service Director.