According to
http://www.guntrustlawyer.com/form1.html
4a should be the original Manufacture; MKE Turkey; if not using a trust
Sample form 1 filled out.
http://www.guntrustlawyer.com/5320-1.sample.pdf
You will need 2 sets of fingerprint cards.
Another guide to filling out a Form 1
http://www.ar15.com/forums/topic.html?b=6&f=17&t=257740