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Contractor payroll-switch checklist

Define the payroll job, verify implementation responsibility, and protect the first payroll before moving away from the current process.

Read the payroll guide

How to use it

1. Confirm worker, state, pay, deduction, and benefit scope with qualified advisers.
2. Make the current provider, new provider, accountant, and internal owner responsibilities explicit.
3. Reconcile a parallel or test run before the first live payroll whenever practical.

Updated August 2026. This is operating guidance, not payroll, tax, HR, accounting, or legal advice. Verify setup and compliance obligations with qualified advisers and each provider.

Step 1

Define the payroll scope

Software can execute a configured process, but it should not be expected to decide worker classification or legal obligations for the business.

Target first payrollPay frequencyW-2 employee countContractor countStates and localitiesInternal payroll owner

Worker classifications and owner-pay treatment were reviewed with qualified advisers.Hourly, salaried, overtime, commission, bonus, reimbursement, and deduction rules are documented.Benefits, garnishments, PTO, retirement, and workers compensation handoffs are mapped where relevant.

Step 2

Secure records and responsibilities

Do not cancel the current system until records, filings, balances, and access responsibilities have been resolved.

Current provider end dateHistorical records ownerAccountant or adviserNew-provider setup contact

Employee identity, tax forms, direct-deposit details, rates, and year-to-date totals are ready.Federal, state, and local tax account numbers and filing status are documented.Prior payroll reports, filings, notices, and payment confirmations are exported and retained.The owner of historical W-2, 1099, amendment, and agency-notice support is confirmed.Current-provider cancellation timing and data-retention access are documented.

Step 3

Test the operating handoffs

The switch is not ready until time, approval, payroll, accounting, and correction workflows work with realistic data.

Payroll handoff test table
Handoff	System or owner	Test date	Result or issue
Approved regular and overtime hours
Multiple rates, bonuses, and commissions
Reimbursements and deductions
Payroll approval and funding
Accounting posting and reconciliation
Correction and off-cycle payroll

Step 4

Protect go-live

Use a named go/no-go decision and a contingency plan. Employees should not carry the risk of a rushed implementation.

Go/no-go approverFirst-payroll support ownerContingency plan30-day review date

A test or parallel run was reconciled to expected gross-to-net results.Employee bank-account verification and pay-statement access were tested securely.Funding dates, holidays, approval cutoffs, and first-payroll support coverage are clear.Employees know when and how to access the new system and report an issue.The team knows what to do if funding, tax setup, or direct deposit fails.