; and (ii) the total number of aliens who may be issued visas or otherwise provided H–2A nonimmigrant status under paragraph (1) for that fiscal year may not exceed such numerical limitation. (D) Emergency procedures The Secretary of Agriculture and Secretary of Labor, in consultation with the Secretary of Homeland Security, shall jointly establish by regulation procedures for immediately adjusting a numerical limitation imposed under subparagraph (B) or (C) to account for significant labor shortages. (3) Allocation of visas (A) Bi-annual allocation The annual allocation of visas described in paragraph (2) shall be evenly allocated between two halves of the fiscal year unless the Secretary of Homeland Security, in consultation with the Secretary of Agriculture and Secretary of Labor, determines that an alternative allocation would better accommodate demand for visas. Any unused visas in the first half of the fiscal year shall be added to the allocation for the subsequent half of the same fiscal year. (B) Reserve for dairy labor or services (i) In general Of the visa numbers made available in each half of the fiscal year pursuant to subparagraph (A), 50 percent of such visas shall be reserved for employers filing petitions seeking H–2A workers to engage in agricultural labor or services in the dairy industry. (ii) Exception If, after four months have elapsed in one half of the fiscal year, the Secretary of Homeland Security determines that application of clause (i) will result in visas going unused during that half of the fiscal year, clause (i) shall not apply to visas under this paragraph during the remainder of such calendar half. (4) Annual round trip home (A) In general In addition to the other requirements of this section, an employer shall provide H–2A workers employed under this subsection, at no cost to such workers, with annual round trip travel, including transportation and subsistence during travel, to their homes in their communities of origin. The employer must provide such travel within 14 months of