FAA Federal Aviation Regulations (FARS, 14 CFR)

(a) No person may:

(1) Tamper or interfere with, compromise, modify, attempt to circumvent, or cause a person to tamper or interfere with, compromise, modify, or attempt to circumvent any security system, measure, or procedure implemented under this part.

(2) Enter, or be present within, a secured area, AOA, SIDA or sterile area without complying with the systems, measures, or procedures being applied to control access to, or presence or movement in, such areas.

(3) Use, allow to be used, or cause to be used, any airport-issued or airport-approved access medium or identification medium that authorizes the access, presence, or movement of persons or vehicles in secured areas, AOA's, or SIDA's in any other manner than that for which it was issued by the appropriate authority under this part, or part 108 or part 129 of this chapter.

(b) The provisions of paragraph (a) of this section do not apply to conducting inspections or tests to determine compliance with this part or 49 U.S.C. Subtitle VII authorized by:

(1) The Administrator, or

(2) The airport operator, aircraft operator, or foreign air carrier, when acting in accordance with the procedures described in a security program approved by the Administrator.