... statement4. You (and your spouse if married) are under age 18because you purchased a mobile home, attach a copy ofon the date of purchase.your executed retail sales contract showing all parties’5. ... unmarried individuals buy a main• Serving at a duty station that is at least 50 miles fromhome, they can allocate the credit among the individualyour main home, orowners using any reasonable ... also attach theThis includes:following documentation, if applicable, to avoid delays in a. Your spouse, ancestors (parents, grandparents,the processing of your return and the issuance of anyetc.),...