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(a) Cargo or mail that is screened or is required to be screened may be screened by use of 1 or more of the following methods:
(1) conventional x-ray equipment:
(2) advanced technology x-ray explosives detection system (ATEDS):
(3) explosive trace detection (ETD) systems:
(4) explosive detection dogs:
(5) computed tomography:
(6) physical inspection:
(7) any other screening technology or method acceptable to the Director.
(b) Screening equipment must be situated in an access controlled area.
(a) Every method of screening must be subject to periodic testing using a test piece to ensure the ongoing integrity of the screening process.
(b) A test piece must be—
(1) appropriate for the particular screening method being tested; and
(2) representative of an unauthorised article that the screening method is intended to detect; and
(3) acceptable to the Director.
(c) If a periodic test is intended to test the proficiency of a person performing the screening, the test must be carried out—
(1) without prior notice to the person who is performing the screening; and
(2) by placing the test piece used for the test among other items of cargo or mail being screened; and
(3) in a manner that gives the person being tested reasonable opportunity to detect the test piece.
