Electronic Substitute to Form W-4

Employers aren’t required to set up a system to electronically receive Form W-4 from an employee. If set up, however, the electronic system must meet all the requirements and guidelines set forth in regulations and specified by the IRS in forms, publications, and other guidance. The allowance of an electronic substitute for Form W-4 isn’t a license to simplify or modify the Form W-4. In particular, electronic Form W-4 systems set up as a substitute to paper Forms W-4 must exactly replicate the text and instructions from the face of the paper Form W-4 beginning with Step 1(c) through Step 4(c) (inclusive), and the “Exempt from withholding” section below Step 4(c), and must allow an employee access to and use of all parts of the calculation shown on the paper Form W-4 and its worksheets.

No pop-ups or hoverboxes within those steps are permitted for displaying such required information, and if the electronic system has toggles for those steps that limit the amount of text that is viewable, the toggles must be off as the default. If the electronic system places steps on different pages, users must be required to go to each page before they may electronically sign the form. The electronic system must also include a hyperlink to Form W-4 on IRS.gov and/or include the pages 2–5 instructions and worksheets in their entirety in the electronic system interface itself (inclusion of only some of this information requires a link to the form).

Field required for claiming “Exempt.”

The electronic Form W-4 system must provide a checkbox for employees who are eligible and want to claim an exemption from withholding to certify that they are exempt immediately below or after Step 4(c) to allow users to elect no withholding from their payments. The electronic checkbox must include the text used on Form W-4 but also stipulate both conditions that must be met for exemption or link directly to the conditions on page 2 of Form W-4.

Field required for nonresident alien status.

You must provide a field for nonresident aliens to enter nonresident alien status.

Step 3 of 2026 Form W-4.

To allow an employee access to and use of all parts of the calculation shown on the paper Form W-4, an electronic Form W-4 system can’t restrict Step 3 to dollar increments based on the number of qualifying children or dependents the employee may claim for purposes of the child tax credit or credit for other dependents. The 2026 Instructions for Form W-4 indicate that an employee can include other tax credits for which they are eligible in Step 3 by adding an estimate of the credit amount for the year to the credits for dependents and entering the total amount. An employee should be allowed to include an estimate of tax credits other than the child tax credit or credit for other dependents when entering an amount in an electronic Form W-4 system for Step 3.

References to page numbers.

Substitutes to the paper form need not replicate references on the face of the form to “page 2,” “page 3,” or “page 4” of the Form W-4 when those references are not applicable.

References to pages 2, 3, and 4, when not applicable to the substitute form, should be replaced by appropriate references. For example, an electronic substitute form that links directly to the deductions worksheet should not reference “page 4” but should provide a link to the deductions worksheet.

Requiring an SSN and other personal information already stored in employer’s electronic system.

An employer need not require an employee to resubmit an SSN or other personal information when completing an electronic Form W-4 as long as:

The SSN and other personal information are stored in the employer’s electronic system and the action being taken by the employee in the system is directly or indirectly linked to the electronically stored personal information; and

The source of the SSN and other personal information stored in the employer’s electronic system is a prior submission of a complete Form W-4 or the U.S. Citizenship and Immigration Services (USCIS) Form I-9, Employment Eligibility Verification, that is signed by the employee under penalty of perjury.

The employer’s electronic Form W-4 system must continue to ensure that the information received by the employer is the information sent by the employee and that the person accessing the system and furnishing the Form W-4 is the employee identified on the form. See Electronic submission of Forms W-4 and W-4P , earlier. If an SSN or other personal information is separately used by the electronic Form W-4 system to verify the identity of the employee, the employee will need to resubmit the information for that purpose.

Implementation of new guidelines.

Employers aren’t required to set up a system to electronically receive Form W-4 from an employee. If set up, however, the electronic system must meet all the requirements and guidelines set forth in regulations and specified by the IRS in forms, publications, and other guidance. When a guideline concerning what an electronic Form W-4 system must provide the employee is specified without an effective date, it is effective immediately and an employer must implement it in a reasonable amount of time. In most cases, a reasonable amount of time won’t extend beyond 90 days.