In the event that the Secretary fails for any reason to prescribe standards under subparagraph (A) by the effective date of this chapter, the standards prescribed under
section 31502 of title 49, relating to the transportation of migrant workers, shall, for purposes of paragraph (1)(A), be deemed to be the standards prescribed by the Secretary under this paragraph, and shall, as appropriate and reasonable in the circumstances, apply (i) without regard to the mileage and boundary line limitations contained in such section, and (ii) until superseded by standards actually prescribed by the Secretary in accordance with this paragraph.