Have you tried using a different Apple ID and cc???
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I would call back and create that sub account anyway and move one of those single lines to it.
cant get that far to use a diff cc it happens after I put in my cell number zip code and last 4 of ssn
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Don't explain why you want to, just tell them you want it. Move a line into it and if you have to give a reason say it is for who pays the bill.
yea good call im going to call back in the am and have it done with a regular Monday morning professional rep