Section 22.28 of the Texas. In order to be timely, payment of taxes must be postmarked on or before January 31st.I went out of business during the year will my business personal property taxes be prorated? Inventory: Personal property that is held for sale in the ordinary course of a trade or business. Anyone who owns tangible personal property used for the production of income is required to render business personal property annually. The Texas Property Tax Code requires owners of business personal property (BPP) to annually render those assets used in a business. View information about property taxes and exemptions. See the discussion of Category F1, commercial real property, for. All income producing tangible personal property is taxable for county appraisal district purposes. Taxable personal property includes equipment and inventory.