During the period for which the certificate of registration is in effect, each farm labor contractor shall— (1) provide to the Secretary within thirty days a notice of each change of permanent place of residence; and (2) apply to the Secretary to amend the certificate of registration whenever the farm labor contractor intends to— (A) engage in another farm labor contracting activity , (B) use, or cause to be used, another vehicle than that covered by the certificate to transport any migrant or seasonal agricultural worker , or (C) use, or cause to be used, another real property or facility to house any migrant agricultural worker than that covered by the certificate. ( Pub. L. 97–470, title I, § 105 , Jan. 14, 1983 , 96 Stat. 2589 .) 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