This is an electronic version of Form 500TXAA in a fill-able pdf format. The program application does all of the calculations for you. You can save the form and restore it and make changes to it. No more having to mess with paper forms. The Purchase Agreement contains the Hud requirement on the disposition of wheels, tires & axles. This purchase agreement can be used only in the State Of Texas. It has a Arbitration Agreement with it. PRINT LICENSES ARE REQUIRED TO PRINT THE CONTRACTS. See Product PL-PA for pricing. Click to View Print Licenses