114.23—Maximum period.

(a) A.T.A. carnet. No A.T.A. carnet with a period of validity exceeding 1 year from date of issue shall be accepted. This period of validity cannot be extended.
(b) TIR carnet. A TIR carnet may be accepted without limitation as to time provided it is initially “taken on charge by a customs administration (United States or foreign) within the period of validity shown on its front cover.”
(c) TECRO/AIT carnet. A TECRO/AIT carnet shall not be issued with a period of validity exceeding one year from the date of issue. This period of validity cannot be extended and must be shown on the front cover of the carnet.

Code of Federal Regulations

[T.D. 71-70, 36 FR 4491, Mar. 6, 1971, as amended by T.D. 82-116, 47 FR 27262, June 24, 1982; T.D. 85-180, 50 FR 42517, Oct. 21, 1985; T.D. 98-10, 63 FR 4168, Jan. 28, 1998]