Purpose: The Office Identifier is a number generated by TaxSlayer. This is a Vendor Control Number required for electronic filing. The field must be present in the-e-file for acceptance. The goal is for the IRS to validate the number in the e-file with the number uploaded by the software vendor.
Question: Where is this located?
Answer: The field will be displayed on your Office/Firm Setup screen where you enter your Firm Information.
Question: How do I find the office identifier
Answer: Login to My Account from the VITA/TCE Springboard with the username and password you established via the User Information email link. (Links will be sent by COB 12/02/2016) Once you are logged in, select Account History on the left navigation bar.
Question: Is this number unique to my site?
Answer: Yes, it is unique to the EFIN.
Question: Will this number ever change?
Answer: The number will change if the EFIN associated with your site changes