Cattle producers owning cattle in the affected area may, upon written request or petition signed by at least 25 cattle producers owning cattle in that area, request that the secretary repeal regulations establishing a modified point-of-origin inspection area pursuant to Section 21111 in the manner prescribed by the Administrative Procedure Act (Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code).