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 Michigan. It has a section for Insulation Information on the face of it. This form is also available in an fill-able pdf version as Form EV500MI ,with this application there is no need to purchase or store paper forms again. Click HERE to go to the Fill-Able product Form EV500MI page.