No, you can not use the OMB number or the CUSIP number for the federal ID number (FIN).
The format for a FIN number is XX-XXXXXXX if this number is on your sales information then you should use it as the EIN. If there is no number matching the EIN format contact the company that provided you with the sales information and ask them for the EIN so you will be able to file your tax return.
@69Datsun510
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