Texas Transportation Code - TRANSP § 502.195. Refund of Overcharged Registration Fee

(a) The owner of a motor vehicle who pays an annual registration fee in excess of the statutory amount is entitled to a refund of the overcharge.

(b) The county assessor-collector who collects the excessive fee shall refund an overcharge on presentation to the assessor-collector of satisfactory evidence of the overcharge not later than the first anniversary of the date the excessive registration fee was paid.

(c) A refund shall be paid from the fund in which the county's share of registration fees is deposited.