Can I E-file the return and send the Court appointment papers separately? Actually you will have to mail in the return.
-Do I need attach form 1310? YES
-Do I add my name as rep (c/o...) after his name on the return? The program will do this automatically ... in the MY INFO section you will indicate this is a decedent's return.
-Is IRS form 56 required to be filed? NO
-Generally, will the refund be issued to me as representative or to his estate? You if you file a 1310 form.
Good info here : https://www.irs.gov/taxtopics/tc356
