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Missouri new hire reporting requirements

Report every employee who fills out a W-4 to Missouri's new hire registry within 20 calendar days of hire.

Last checked: · Official government sources only

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New hire reporting in Missouri

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Multistate employers

Employers reporting as multistate must include each employee's state of hire. Source: missouriemployer.dss.mo.gov↗ (opens in a new tab)

Rehired employees

Report a returning employee if they are required to submit a new W-4. Source: missouriemployer.dss.mo.gov↗ (opens in a new tab)

Penalties

Intentional failure to report is an infraction with a fine up to $25. A conspiracy to not report or to file a false report carries $350 per failure or false report. Source: missouriemployer.dss.mo.gov↗ (opens in a new tab)

The law and where to check

The law: RSMo §§ 285.300 to 285.308 (penalties in § 285.302) (opens in a new tab)

The agency: Missouri Department of Social Services, Family Support Division - Child Support Enforcement (new hire registry) (opens in a new tab)

What federal law says

Federal law requires every employer to report each new hire to the state's new hire directory within 20 days, or sooner if the state sets a shorter deadline. States use the reports for child support. Source: Social Security Act § 453A↗ (opens in a new tab)

New hire reporting checklist for Missouri employers

A simple order of work, based on the rules above. It is not a legal checklist.

  1. Collect the employee's Form W-4 details on day one.
  2. Report to the state shown above before the deadline.
  3. Include every required data field, including any state extras.
  4. Report rehires and, where required, independent contractors.
  5. Multistate employers: pick one state and register with HHS, or report to each state.
  6. Keep a copy or confirmation of each report.

More Missouri employment law guides

New hire reporting laws in other states

See every state on one page, or pick a state:

Sources

All official government sources, last checked October 19, 2026.

Disclaimer: This guide provides general information based on publicly available official sources and is for information only. It is not legal, tax, payroll or employment-law advice and does not guarantee compliance with federal, state or local requirements. Rules can depend on your location, industry, contracts and other circumstances, and laws change. Always check the official source, the relevant government agency or a qualified professional before making a decision. MadyHR.ai accepts no responsibility for any action taken based on this page.

Last checked: . Every rule and source link on this page was checked against the official government source on this date. Laws change, so always open the source link before you act.

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