29 C.F.R. § 500.55
(a) During the period for which the Certificate of Registration is in effect, a farm labor contractor must apply to the Secretary to amend the Certificate of Registration whenever he intends to:
(c) Notwithstanding submission of the appropriate information, the farm labor contractor must comply with all
applicable motor safety, insurance, and housing safety and health provisions of the Act and these regulations. With regard to housing, the farm labor contractor must submit the appropriate housing documentation as well as comply with the housing safety and health provisions of the Act and these regulations, prior to occupancy by a migrant agricultural worker.