The buyer and seller sign a conditional purchase agreement. Be sure to include at least the following information: Mobile home description, including VIN, serial number, make, model, and year.Application for Statement of Ownership: You'll need to submit a new application, complete with all supporting documentation and fees, to the MHD of the TDHCA. It can be used to record the sale of new or used mobile homes with the cost of transportation or lease transfer to be negotiated in a separate document. Let's go over the process for buying a mobile home, what to include in the bill of sale and where to get an official template.