You will need to apply using form AP-201, Texas Application (PDF). Complete list of Texas Comptroller Property Tax Forms and Applications click here.Texas Comptroller Property Tax Publications click here. Both the seller and purchaser of a group of assets that makes up a trade or business must use Form 8594 to report such a sale. You will need to complete Form SS-4. (Application for Employer Identification Number). Use Form 4797 to report: The sale or exchange of property. The involuntary conversion of property and capital assets. The Texas Property Tax Code requires owners of business personal property (BPP) to annually render those assets used in a business.