The Texas Property Tax Code requires owners of business personal property (BPP) to annually render those assets used in a business. By mail: Complete and then print the "Tax Sale Bidder Registration" form from the FORMS section of our website.The explanatory statement must set out a detailed explanation of the basis for the estimate(s) of market value given in your rendition. Tax Code Section 23.01 requires appraisal districts to appraise taxable property at market value as of Jan. 1. All property is taxable unless federal or state law exempts it from the tax. These exemptions may exclude all or part of your property's value from taxation. Texas property tax is collected and used locally, not at the state level. The valuation and assessment of property tax must be equal and uniform. When completing the rendition, the property may be reported using a good faith estimate of the market value or the historical cost when new. There are substantial penalties for failure to report or for falsification and tax evasion.