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W-2 Box and Label Pre-filled Guidance

Payroll customers have guidance when adding certain types of company-level employee deductions and company-paid contributions. In some cases, deduction or contribution dollar amounts must be reported in a specific box on the employee’s Form W-2.


​The software will prefill the employee deduction and contribution in certain instances based on the type of deduction you have selected.


For example, 401(k) employee deductions need to be reported in Box 12, label D. Based on the chosen deduction type when adding a deduction, the W-2 Box and W-2 Label fields will now be pre-filled. Note, not all deduction types will show pre-filled values.

​For Pretax Section 125, the W2 box and label is unmarked, although we do give guidance for the most common use of Pretax Section 125 deductions, employer sponsored healthcare.


This pre-fill feature is both in the payroll setup wizard and in the payroll software settings, and only on the "Add" company-level deduction and contribution pages. If an existing deduction or contribution is edited, no assumptions will be made and nothing will be automatically pre-filled.

We recommend that you confirm via IRS W-2 Instructions that you are using the correct W-2 Box and label.

Prefilled W-2 boxes and labels for Deduction Type:

Deduction Type

Prefill W-2 Box

Prefill W-2 Label

Pretax Sec 125

none

none

401k

12

D

Starter 401k

12

D

403b

12

E

457b

12

G

Roth 401k

12

AA

Roth Starter 401k

12

AA

Roth 403b

12

BB

Roth 457b

12

EE

SIMPLE IRA

12

S

HSA Single

12

W

HSA Family

12

W

FSA Medical

none

none

FSA Dependent Care

10

Post Tax

none

none

Post Tax Disposable % Net Pay

none

none

Pre-filled Contributions, if Tied to a Corresponding Deduction Type :


When a contribution is tied to a deduction, the contribution W-2 box may be pre-filled, depending on the "For Deduction" type.

For Deduction Type

Prefill W-2 Box

Prefill W-2 Label

Pretax Sec 125

none

none

401k

Roth 401k

403b

Roth 403b

SIMPLE IRA

none

none

457b

12

G

Roth 457b

12

EE

HSA Single

12

W

HSA Family

12

W

FSA Dependent Care

10

S Corp Owner Health contribution dollars are prefilled in Box 14 (Other) with a label SEHI

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