There is no place to enter your Dad's information on your return in this situation, you just indicate that you received the interest as a nominee when you enter the 1099-INT.
You Dad can report the interest on his return just by showing the payer and the amount, on the screen Let's get the info from your 1099-INT. The rules say that a nominee must file a 1099-INT with the IRS and send it to the recipient, but your Dad can file his tax return and report the interest before you do that. Here is the link for ordering information returns from the IRS.
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