If a licensee has two or more licenses in effect at the same meat processing establishment, custom livestock slaughterhouse, place of business, or poultry plant, pursuant to Section 19010, 19011, 19240, 19260, 19280, or 24741, the license fee that is the highest amount shall be paid in full and each additional license fee shall be in an amount that is 50 percent of the fee that would otherwise be applicable.