14 CFR §1203a.100

1. (a)To insure the uninterrupted and successful accomplishment of the NASA mission, certain designated security areas may be established and maintained by NASA Centers and Component Facilities in order to provide appropriate and adequate protection for facilities, property, or classified/proprietary information and material in the possession of NASA or NASA contractors located at NASA Centers and Component Facilities.
2. (b)This part sets forth:
   1. (1)The designation and maintenance of security areas,
   2. (2)The responsibilities and procedures in connection therewith, and
   3. (3)The penalties that may be enforced through court actions against unauthorized persons entering security areas.