A Control Number (box D) is used by many payroll departments to uniquely identify a W-2 in their system. If your W-2 doesn't have one, it's no big deal. If you get errors when attempting to e-file with an empty box D, 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.

Jun 26, 2023 · Box D on Form W-2 is for employers and their payroll departments to report a control number. This control number is designated to identify an employer’s W-2 records and does not have any major uses apart from that.

Feb 2, 2025 · The Box D Control Number is a unique identifier on your W-2 form, issued by your employer. While not mandated by the IRS, it is often used by employers to distinguish between multiple W-2 forms they issue.

The UPPER-CASE (capital) letters in box 12 report different things to the IRS. Here's a list of what each one means. Box 12 codes. A: Uncollected social security or RRTA tax on tips reported to your employer; AA: Designated Roth contributions under a section 401(k) plan

Use Form 8949 to report sales and exchanges of capital assets. Form 8949 allows you and the IRS to reconcile amounts that were reported to you and the IRS on Forms 1099-B or 1099-S (or substitute statements) with the amounts you report on your return.

Feb 17, 2025 · Box D on Form 8949 is designated for transactions where the cost basis is reported to the IRS. This applies to short-term capital assets held for one year or less, with the cost basis reported on Form 1099-B. Using Box D ensures accurate tax reporting and compliance.

For example, if you are only required to report code D in box 12, you can enter code D and the amount in box 12a of Form W-2. Report in box 12 any items that are listed as codes A through II. Do not report in box 12 section 414(h)(2) contributions (relating to certain state or local government plans).

Before you check Box D, E, or F below, see whether you received any Form(s) 1099-B or substitute statement(s) from your broker. A substitute statement will have the same information as Form 1099-B. Either will show whether your basis (usually your cost) was reported to the IRS by your broker and may even tell you which box to check.

Apr 6, 2023 · Form W-2 (wage statement) Box D is called the Control Number field. It is usually located below or near the Employer's Name and Address, but you may have to look very carefully for it, as it can occasionally be in a different place.

Jan 22, 2025 · Box 12 Code D on your W-2 form reflects contributions made to a 401 (k) retirement plan. This code is essential as it impacts how retirement savings are reported to the IRS.