Good question. This is a Control Number Box that usually has a number in the field or is blank. So having a name in it can be confusing. The good news is you don't have to enter anything into this box on the W-2 entry in TurboTax. If it causes issues leaving that field blank when you e-file you can just enter any number in this format: 5 digits, space, 5 digits (for
example, 12345 67890). The IRS doesn't care what's in Box D because its
use by payroll departments is optional.
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Please review the helpful Article and Link below
https://ttlc.intuit.com/replies/3927385