U.S. Code of Federal Regulations

Regulations most recently checked for updates: Sep 16, 2025

All TitlesTitle 36Chapter VPart 520 - PART 520—RULES AND REGULATIONS GOVERNING THE BUILDINGS AND GROUNDS OF THE NATIONAL ZOOLOGICAL PARK OF THE SMITHSONIAN INSTITUTION
View all text of Part 520 [§ 520.1 - § 520.18]
§ 520.10 - Placards, signs, banners, and flags.

The displaying or carrying of placards, signs, banners, or flags is prohibited unless officially authorized.

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