February 7, 2017 – “EFIN not recognized” transmission error

Reporting source: IRS San Jose SPEC

EFIN Not Recognized
There has been a glitch in TaxSlayer’s system that causes the transmission error EFIN Not Recognized by TaxSlayer. If your site is impacted, call TaxSlayer Support at (800) 421-6346. (This phone number is for volunteers only).