Trust Fund Taxes (941 Payroll) — Definition Glossary

Defined by Sarah Mitchell, CPA | Reviewed by: James Okafor, EA

Full Definition

Trust fund taxes are the employee-side portions of 941 payroll taxes: employee Social Security tax (6.2%), employee Medicare tax (1.45%), and federal income tax withholding. They are called “trust fund” taxes because the employer holds them in trust on behalf of the employees — collecting them from employee paychecks and holding them until the deposit due date. The employer is required to deposit trust fund taxes (along with the matching employer-side contributions) according to a deposit schedule: either semi-weekly (for large payrolls) or monthly. When an employer fails to remit trust fund taxes, the IRS’s priority is recovering this money — it represents taxes employees have already “paid” through paycheck withholding.

Why This Matters for Businesses With Tax Debt

Understanding Trust Fund Taxes (941 Payroll) is essential for any business owner navigating IRS enforcement. This term directly affects the options available for resolving business tax debt — including whether tax debt financing is available, how lien subordination works, and what enforcement the IRS can take.

Related Terms

IRS Form 941, TFRP, Employer Tax Deposit

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Sources: IRS.gov; Internal Revenue Code (IRC); IRS Publication 594 (The IRS Collection Process); IRS Publication 1 (Your Rights as a Taxpayer). Tax Funds is a financing marketplace — not a lender, CPA firm, or law firm. This content is for informational purposes only.