Yes arabs have to have DNA IF, IF they are to be breeders and want any folas registered. If any mare is to have foals and you want them registered she must be DNA bloodtype. Same for stallions. Now if you arent going to breed.. them.. why pay to get them DNA? My gelding, while half registered, isnt DNA typed but his momma had to be so I could register him. Even as a half arab she had to be DNA typed.
If he IS registered you can eventually track his papers down. If the seller was indeed the LAST REGISTERED OWNER then she has to get the duplicate copies. But if she never transferred the paperwork you can ONLY get papers from the LAST registered owner(s) of the horse. AHA does not budge nor give out ANY information. I know, took me 9 years!! to get my old geldings papers. And that only because we ran into his original owner- his breeder- and she recognized him. Now he was 18 at that time and she hadnt see him since he was 2 yrs old! So... yes he had a personality. Anyway, she contacted the AHA and the papers were NEVER transferred out of her name. So she got a duplicate set and then signed them over to us! I was such a happy camper.
So dont despare. It may come about. It does help to have a registration number. And not sure, but they may listed last registered owner on the database. Not a memeber and dont subscribe to the database as i am not a breeder or seller.