Payroll record retention: 5 clocks to check before rates

• Keep employment tax records for at least four years after the 4th quarter filing, or after the tax becomes due or is paid, whichever is later, according to Internal Revenue Service .
• Keep basic federal wage-hour records for at least three years, according to Legal Information Institute , and supplementary records for at least two years, according to Legal Information Institute .
• Keep qualified sick leave, family leave and employee retention credit wage records for at least 6 years.
• Check the Alaska and Pennsylvania three-year rules only if your shop operates in those states.
• Do not use income-tax assessment or refund clocks to decide how long payroll files stay.

Before you adjust labor rates, identify which payroll files must remain in the shop. Five distinct retention clocks determine which documents you must keep. The first clock is the IRS employment-tax period, which requires keeping all records of employment taxes for at least four years after filing the 4th quarter for the year, according to Internal Revenue Service . This specific four-year period is not the same as the 3-year and 6-year income-tax assessment periods or the 7-year credit-or-refund claim period.

The second and third clocks relate to wage-hour records. The basic wage-hour payroll clock requires keeping records for at least three years. The supplementary wage-hour clock requires keeping certain additional records for at least two years. These federal periods apply to wage-hour compliance and are separate from the employment-tax clock.

The fourth clock is specific to Alaska. Alaska has its own payroll record retention requirement of at least three years. This state-specific rule applies only in Alaska and does not apply in every state. The fifth clock is specific to Pennsylvania. Pennsylvania has a three-year record expectation for payroll records. This state-specific rule applies only in Pennsylvania.

If you have employees, you must keep all your employment tax records for at least 4 years after the tax becomes due or is paid, whichever is later, according to Internal Revenue Service . This four-year requirement applies to the general set of employment tax records held by the shop.

Publication 15 (2026), (Circular E), Employer’s Tax Guide identifies specific documents that fall under this retention umbrella. Records of fringe benefits and expense reimbursements provided to your employees, including substantiation, are part of these employment tax records, according to Internal Revenue Service .

A separate six-year keep period exists for specific credit records and does not replace the ordinary employment-tax clock. Records related to qualified sick leave wages and qualified family leave wages for leave taken after March 31, 2021, and records related to qualified wages for the employee retention credit paid after June 30, 2021, should be kept for at least 6 years, according to Internal Revenue Service . This extended period applies only to these named categories of leave wages and credit wages.

When reviewing labor rates, check if any payroll files contain qualified sick leave, family leave, or employee retention credit data from the specified dates. If they do, those specific files require the longer six-year retention. Ensure your filing system distinguishes between general employment tax records and these specific credit-related records to apply the correct retention period.

Federal wage-hour rules set two distinct retention periods for payroll documentation. The first clock requires employers to preserve basic records for at least three years. According to Legal Information Institute , the regulation titled "29 CFR § 516.5 - Records to be preserved 3 years." states that "Each employer shall preserve for at least 3 years:". This three-year period applies to the core payroll files that document wages paid and hours worked. When reviewing labor rates, this is the primary federal baseline for standard payroll records.

The second clock covers supplementary basic records, which must be kept for a shorter period. According to Legal Information Institute , the regulation titled "29 CFR § 516.6 - Records to be preserved 2 years." specifies that "(a) Supplementary basic records: Each employer required to maintain records under this part shall preserve for a period of at least 2 years." These supplementary records support the main payroll files but do not require the same length of retention.

Specific types of cost records fall under this two-year supplementary category. According to Legal Information Institute , the rule includes "(2) All records used by the employer in determining the original cost, operating and maintenance cost, and depreciation and interest charges, if such costs and charges are involved in the additions to or deductions from wages paid." If your labor rate review involves calculating how equipment depreciation or maintenance costs affect wage deductions, these specific cost records must be kept for at least two years.

Check your current payroll archive to ensure basic records are retained for at least three years. Verify that supplementary records, including those for cost determinations, are kept for at least two years.

When reviewing labor rates, check if your shop operates in Alaska or Pennsylvania, as both states have specific payroll record retention rules distinct from federal tax clocks.

In Alaska, the Department of Labor and Workforce Development requires employers to keep payroll information for a minimum duration. According to the Alaska Department of Labor and Workforce Development , an employer shall keep for a period of at least three years all payroll information and records for each employee at the place of his employment. This three-year clock applies specifically to the state’s Minimum Wage Standard and Overtime Hours regulations. It is a state-specific rule, meaning it does not apply to shops located in other jurisdictions.

Pennsylvania has a similar three-year expectation for wage records. The Pennsylvania Department of Labor and Industry notes that since your employer is only required to keep its records for three years, it is more difficult for the Department of Labor & Industry to collect your wages as time passes. This statement appears in the Wage FAQs section of the Commonwealth of Pennsylvania’s Department of Labor and Industry resources. Like the Alaska rule, this is a state-level requirement that applies only within Pennsylvania.

Do not assume these state clocks replace federal employment-tax requirements or income-tax assessment periods. The three-year state clocks are specific to wage and hour compliance in those jurisdictions.

The IRS employment-tax keep period is not the same as the income-tax assessment or refund clocks. Confusing these two sets of rules can lead a shop owner to discard payroll files too early or keep unnecessary documents for the wrong reasons. The income-tax clocks described in Topic no. 305, Recordkeeping | Internal Revenue Service apply to federal income tax returns, not to the employment tax records that track wages, withholdings, and credits.

For assessment of tax you owe, the period is generally 3 years from the date you filed the return, according to Internal Revenue Service . This three-year window applies to standard income tax assessments and does not govern how long employment tax records must be retained. A separate six-year period applies if you don't report income that you should have reported, and it's more than 25% of the gross income shown on the return, or it’s attributable to foreign financial assets and is more than $5,000, according to Internal Revenue Service . This extended assessment period also does not replace the employment-tax clock.

For filing a claim for credit or refund due to an overpayment resulting from a bad debt deduction or a loss from worthless securities, the time to make the claim is 7 years from the date the return was due, according to Internal Revenue Service . This seven-year window is specific to certain types of income tax claims and is unrelated to the retention requirements for payroll records used in labor-rate reviews.

Additionally, for filing a claim for credit or refund, generally the period to make the claim is 3 years from the date you filed the original return or 2 years from the date the tax was paid, whichever is later, according to Internal Revenue Service . This “later of” rule applies to income tax refund claims and does not affect the minimum four-year retention period for employment tax records.

The table below lists the five specific retention clocks that apply to payroll files before a labor-rate review. Each row identifies the publisher, the record type, the retention period, and the exact source quote.

According to Internal Revenue Service , the employment-tax clock runs for at least four years after the fourth-quarter filing. The Legal Information Institute cites the federal regulation requiring employers to preserve basic records for at least three years, as stated in Legal Information Institute . The same source notes that supplementary basic records must be preserved for a period of at least two years, according to Legal Information Institute .

Suppose a shop finds an employment-tax file that is 5 years old and a basic wage-hour file that is 2 years old. The employment-tax file is past the four-year minimum, provided it holds no sick leave, family leave or retention credit wages, which need 6 years. The wage-hour file is still inside the three-year minimum, so it stays. These ages are illustrative only.

Find the oldest payroll file still in the shop and write down which of the five clocks still applies to it. Then compare your records with Texas labor cost figures for technician sheets and review invoice total calculation so your new rates rest on files you can still support.

How long does the IRS say to keep employment-tax records?

Keep them for at least four years after filing the 4th quarter for the year, according to Internal Revenue Service . This specific four-year period applies to employment tax records and is distinct from other tax assessment timelines.

How long are wage-hour payroll records kept?

Each employer shall preserve basic wage-hour records for at least 3 years, according to Legal Information Institute . This three-year requirement covers the primary payroll information needed for labor rate reviews.

What is the two-year supplementary clock?

Supplementary basic records must be preserved for a period of at least 2 years, according to Legal Information Institute . These records support the primary payroll data but have a shorter mandatory retention window.

Are the income-tax assessment and refund clocks the same as the employment-tax clock?

No, the 3-year income-tax assessment period is generally counted from the date you filed the return, according to Internal Revenue Service . This income-tax clock does not replace the separate four-year requirement for employment tax records.

Does one state's record rule apply in every state?

No, a state rule applies only in that state. Alaska requires employers to keep payroll information and records for each employee for at least three years at the place of employment, according to Alaska Department of Labor and Workforce Development . This rule applies specifically within Alaska and does not extend to other states.