(a) Transfer or assignment prohibited A certificate of registration may not be transferred or assigned. (b) Expiration; renewals (1) Unless earlier suspended or revoked, a certificate shall expire twelve months from the date of issuance, except that (A) certificates issued under this chapter during the period beginning December 1, 1982 , and ending November 30, 1983 , may be issued for a period of up to twenty-four months for the purpose of an orderly transition to registration under this chapter, (B) a certificate may be temporarily extended by the filing of an application with the Secretary at least thirty days prior to its expiration date, and (C) the Secretary may renew a certificate for additional twelve-month periods or for periods in excess of twelve months but not in excess of twenty-four months. (2) Eligibility for renewals for periods of more than twelve months shall be limited to farm labor contractors who have not been cited for a violation of this chapter, or any regulation under this chapter, or the Farm Labor Contractor Registration Act of 1963 [ 7 U.S.C. 2041 et seq.], or any regulation under such Act, during the preceding five years. ( Pub. L. 97–470, title I, § 104 , Jan. 14, 1983 , 96 Stat. 2589 .) Editorial Notes References in Text The Farm Labor Contractor Registration Act of 1963 , referred to in subsec. (b)(2), is Pub. L. 88–582 , Sept. 7, 1964 , 78 Stat. 920 , which was classified generally to chapter 52 (§ 2041 et seq.) of Title 7, Agriculture, and was repealed by Pub. L. 97–470, title V, § 523 , Jan. 14, 1983 , 96 Stat. 2600 . See section 1801 et seq. of this title. Statutory Notes and Related Subsidiaries Effective Date Section effective 90 days from Jan. 14, 1983 , see section 524 of Pub. L. 97–470 , set out as a note under section 1801 of this title . CFR Title Parts 29 500