A duplicate employee record risks double payments, doubled leave balances, and incorrect PAYE/UIF totals on your EMP201. Here's how it happens and how to clean it up.
Check for employees sharing the same ID number, bank account number, or a very close name match — these are the most reliable signals. Most payroll systems will refuse to create a second employee with an identical ID number in the same company, which catches the most common case automatically.
Always reactivate an existing employee record for a returning employee rather than creating a new one, and validate ID numbers are unique before capturing anyone new.
Yes — most systems block creating a second employee record with an identical ID number in the same company.
Move any missing payment or leave history onto the correct record before deactivating the duplicate — don't delete it outright, to preserve the audit trail.
Communicate clearly with the employee and recover it from a future payslip, or agree a repayment arrangement.
TSS Payroll prevents duplicate employee records with the same ID number in a company, catching the most common cause of double payments.
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