32 CFR 234.4 - Trespassing.
(a) Trespassing, entering, or remaining in or upon property not open to the public, except with the express invitation or consent of the person or persons having lawful control of the property, is prohibited. Failure to obey an order to leave under paragraph (b) of this section, or reentry upon property after being ordered to leave or not reenter under paragraph (b) of this section, is also prohibited.
Title 32 published on 2013-07-01
no entries appear in the Federal Register after this date.