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Official form guide
Internal Revenue Service Form 14581-C is a Medicare Coverage Compliance Self-Assessment for state and local government employers, helping them verify proper Medicare tax withholding, including the April 1 1986 hiring threshold for continuing employment.
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Internal Revenue Service Form 14581-C is a Medicare Coverage Compliance Self-Assessment for state and local government employers, helping them verify proper Medicare tax withholding, including the April 1 1986 hiring threshold for continuing employment.
Plain English
Form 14581-C lets state and local government payroll officials check that they are handling Medicare taxes correctly. It asks them to answer a series of yes‑no questions and provide details about employee coverage. The tool highlights common mistakes that can trigger an IRS audit. Completing it helps the agency stay compliant with federal tax rules.
Submission Date
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Form selector
Payroll tax totals on Forms 941 or 944 do not match Forms W‑2/W‑3
Ensures accurate reporting of employment taxes before self‑assessment
✓ Verify that Forms 941/944 totals reconcile with W‑2/W‑3
Assessing fringe‑benefit tax compliance
Targets fringe‑benefits issues separate from Medicare coverage
✓ Confirm that the employer needs the Fringe Benefits Self‑Assessment
Evaluating retirement‑plan coverage compliance
Addresses retirement plan obligations rather than Medicare tax
✓ Check that retirement‑plan coverage is the focus
Not stated in the official source.
Checklist
Continuing employment exemption question
Employee hire date and retirement system membership · Section on Medicare Coverage – Publication 963
Rehired annuitants Medicare tax question
Records of rehire and prior exemption status · Rehired annuitants section (page 3)
Exempt services list
Description of services and employee status · List of exempt services (page 2)
Totals reconciliation check
Payroll totals from Forms 941/944 and W‑2/W‑3 · Reconciliation bullet list (page 1)
Form completion method
Indication of electronic or manual fillable fields · Introduction (page 1)
Field map
General Info
2 items
Full legal name and taxpayer identification number (SSN or EIN).
Current mailing address.
Details
2 items
Complete all applicable sections of this form according to the official IRS instructions.
Enter the relevant dollar amount if this form involves tax calculation.
Certification
1 items
Read and acknowledge any certifications required by this form.
Signatures
1 items
Sign and date. Unsigned forms cannot be processed.
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Fillable formOpen in Editor->Form 14581‑C (June 2017) with catalog number 69846U is the current edition; the source does not reference a newer version or specify any changes.
Quick Facts
Downloads
Do I need to withhold Medicare tax for an employee hired before April 1 1986?
Because the continuing employment exception may exempt them.
→ Check if the employee meets all four criteria listed on page 2.
Are rehired annuitants subject to Medicare tax?
The form notes they become subject even if previously exempt.
→ Confirm the employee was rehired and answer “Yes” on the rehired annuitants question.
Do I have to complete this self‑assessment if I only file Form 941?
The tool is voluntary for any public employer regardless of filing method.
→ Verify you are a state or local government employer responsible for withholding.
Is a Section 218 Agreement employee automatically covered?
They are covered unless exempt by the continuing employment exception.
→ Review the employee’s exemption status against the exception criteria.
Can I skip the question about Medicare tax on rehired annuitants if I have none?
The form asks for a Yes/No answer for each item.
→ Select “No” and note “No rehired annuitants” in the follow‑up comments.
Do I need to file this form with the IRS?
The source describes it as a voluntary self‑assessment tool, not a filing requirement.
→ Retain the completed form for your records; no separate filing is required.
Workflow map
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⚠ If something goes wrong
Form 14581-C lets state and local government payroll officials check that they are handling Medicare taxes correctly. It asks them to answer a series of yes‑no questions and provide details about employee coverage. The tool highlights common mistakes that can trigger an IRS audit. Completing it helps the agency stay compliant with federal tax rules.
State and local government entities that pay employment taxes must file IRS Form 14581-C.
The form gathers responses to check boxes and text fields about Medicare tax coverage for public‑sector workers, including whether the continuing employment exception applies.
The responsible payroll officer completes the electronic or printed form by answering each checkbox and entering required text. The form is designed for those who withhold and pay employment taxes. After all items are answered, the officer signs the form. The signed form is then retained for the employer’s records.
Errors identified on this self‑assessment can lead to IRS audit findings and potential penalties for non‑compliance.
Because the continuing employment exception may exempt them. Check if the employee meets all four criteria listed on page 2.
The form notes they become subject even if previously exempt. Confirm the employee was rehired and answer “Yes” on the rehired annuitants question.
The tool is voluntary for any public employer regardless of filing method. Verify you are a state or local government employer responsible for withholding.
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