This TurboTax FAQ may help, as well. https://ttlc.intuit....

Turbo Tax system does not recognize the control number from my W2 (from box D). The control number is correct.

posted

See if you can continue by just leaving the control # blank.

*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***

This TurboTax FAQ may help, as well.

https://ttlc.intuit.com/replies/4417180

*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***