Box 12 D
Code D—Elective deferrals under a section 401(k) cash or deferred arrangement (plan). Also show deferrals under a SIMPLE retirement account that is part of a section 401(k) arrangement.
IRS Instructions for W-2 pages 18 and 19
Enter all information on the W-2 as it is and TurboTax will process according to the tax law.
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