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Professional Irish Financial Analysis • 2026
Generated On
22 July 2026
Note: This report is an estimate based on current Irish Revenue tax bands and provided inputs. For official tax advice, please consult a qualified professional or visit Revenue.ie.
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PAYE can change between payslips for several reasons: an RPN update, cumulative vs Week 1 payroll basis, or mid-year tax credit changes (e.g. rent credit €2,000). On cumulative basis, a €200 overpayment in January auto-corrects in February. Use the Net Pay Breakdown tool to understand your payslip.
Cumulative: Auto-correction. Overpayment in Jan → refund in Feb.
Week 1/Month 1: Each period is independent. No auto-correction — file a return at year-end.
Check your payslip for "Cumulative" or "Week 1" to know which basis applies.