The fax number for Form 8655, Reporting Agent Authorization, has been changed to 855-214-7523. Forms recently sent to the previous number, 801-620-4142, have been received. But this number will soon be deactivated.
Remember: When faxing Forms 8655, send no more than 25 forms in a single transmission. Also, consider sending faxes directly from your computer rather than a fax machine – the generally improved legibility makes the forms easier to process.