Texas Health and Safety Code - HEALTH & SAFETY § 822.027. Registration Tags and Certificate

(a) The commissioners court of a county shall furnish the county treasurer the necessary dog identification tags.

(b) The tags must be numbered consecutively and must be printed or impressed with the name of the county issuing the tags.

(c) The county treasurer shall assign a registration number to each dog registered with the county and shall give the owner or person having control of the dog the identification tag and a registration certificate.

(d) The county treasurer shall record the registration of a dog, including the age, breed, color, sex, and registration date of the dog. If the registration information is not recorded on microfilm, as may be permitted under other law, it shall be recorded in a book kept for that purpose.

(e) If the ownership of a dog is transferred, the dog's registration certificate shall be transferred to the new owner.