(a) A slaughterer shall pay the following fees for each horse purchased for slaughter:
(1) $2 to the Texas Agricultural Extension Service; and
(2) $3 to the department, agency, or association authorized and designated by the secretary of agriculture of the United States to inspect livestock in Texas under 7 U.S.C. Section 217a.
(b) The slaughterer shall remit the fees required by Subsection (a) on a weekly basis.