Reviewed by: MyTaxRebate Team on 10 Mar 2026 | Authority: s.865 TCA 1997
Quick Answer
Complex PAYE situations - including multiple employments, career gaps, redundancy payments, or overseas income - routinely create income tax overpayments that standard self-service tools fail to identify. Under s.865 TCA 1997, PAYE workers can recover overpaid tax for up to four years: 2022, 2023, 2024, and 2025 are all currently open. The average refund in complex multi-year engagements through MyTaxRebate is approximately €1,300, reflecting that complexity correlates with larger unclaimed overpayments. Revenue may query complex claims, so professional preparation with supporting documentation ready significantly reduces delays.
What This Page Covers
- ✓How multiple employments affect your PAYE position
- ✓What happens to tax credits when you leave a job mid-year
- ✓How career gaps and redundancy create overpayments
- ✓How overseas income is handled for Irish residents
- ✓What Revenue requires for complex multi-year claims
- ✓How MyTaxRebate handles complex claims end to end
Key Facts at a Glance
- ✓Claims backdatable four years under s.865 TCA 1997 - 2022, 2023, 2024, and 2025 are open
- ✓Multiple employments: second employer on emergency tax without a Tax Credit Certificate creates systematic overpayment
- ✓Career gap mid-year: unused annual tax credits for months not worked are fully refundable
- ✓Redundancy: statutory payment fully exempt under s.192 TCA 1997; ex-gratia benefits from €10,160 + €765/year basic exemption
- ✓Overseas income: Irish residents taxed on worldwide income; double taxation treaties prevent double-charging
- ✓Average complex-case refund: approximately €1,300 across four years with MyTaxRebate
Complex Cases Need Structured Review, Not Generic Advice
Complex tax scenarios usually involve overlapping issues rather than one extraordinary rule. A worker may have multiple employments, a period abroad, emergency tax, and additional reliefs in the same open-year window. MyTaxRebate approaches these cases by separating the issues year by year and then rebuilding the PAYE position coherently, which is far more reliable than trying to solve everything from one symptom or one payslip.
This is where a professional review adds the most value. Complexity does not always make a claim impossible; more often, it means that a purely self-directed approach misses how the different parts interact. MyTaxRebate uses complex-scenario content to show how structured review turns overlapping payroll and relief issues into a claim that Revenue can actually process.
Check Your Claim
MyTaxRebate can review your position and guide the next step.
Why Complex Employment Situations Create Overpayments
Under s.865 TCA 1997, the right to recover overpaid income tax rests on demonstrating that more tax was deducted in a given year than was actually owed. In complex employment situations, the PAYE system's assumption that a single employer pays all income for the full year breaks down, producing structural overpayments that accumulate without any error on the employer's part.
When a worker holds two employments simultaneously or changes employer mid-year, Revenue normally allocates all tax credits and the standard rate cut-off to the primary employer. If the second employer does not receive an updated Tax Credit Certificate before the first payroll run, they must operate emergency tax - no standard rate band, no personal credits, flat higher-rate deductions. The resulting overpayment can reach €1,800 or more for a worker on a mid-range salary.
Career gaps produce the opposite pattern. Annual tax credits - the Personal Credit (€1,875 in 2025), the PAYE Credit (€1,875 in 2025), and any other applicable credits - are allocated for the full year regardless of when employment ends. A worker who earned income for only four months and then left employment has eight months of unused credits at year end. These are fully recoverable under s.865 TCA 1997.
Redundancy requires separate treatment under s.192 TCA 1997. The statutory redundancy payment is fully exempt from income tax. Ex-gratia payments above statutory benefit from a basic exemption of €10,160 plus €765 for each complete year of service. Additional relief under the Standard Capital Superannuation Benefit formula may apply for longer-serving employees.
Check Your Claim
MyTaxRebate can review your position and guide the next step.
Tax Scenarios
Two jobs in 2023
A worker earned €26,000 from their first employer (January - June) and €20,000 from their second employer (July - December). The second employer operated emergency tax throughout because no Tax Credit Certificate was issued. Emergency tax on €20,000 with no credits or standard band produced an overpayment of approximately €1,900. This full amount is recoverable under s.865 TCA 1997 for the 2023 claim year, which remains open until 31 December 2027.
Career gap in 2022
A worker left employment in April 2022 and did not return to work that year. Annual personal and PAYE credits of €3,600 were allocated for the full year but only four months of income was earned. The unused eight months of credits - approximately €2,400 - represents a refundable overpayment. Combined with the unused standard rate cut-off, the total refund for 2022 was approximately €1,050 after the review was completed.
Redundancy in 2024 with 9 years of service
A worker with nine complete years of service received a total redundancy payment of €38,000 in 2024. Statutory redundancy of €14,000 is fully exempt under s.192 TCA 1997. The ex-gratia portion of €24,000 benefits from a basic exemption of €10,160 plus (9 × €765 = €6,885) totalling €17,045. Only €6,955 of the ex-gratia is taxable. A professional review confirmed this and identified an additional €780 refund from unused credits in the departure year.
Common Mistakes To Avoid
- ✗Assuming that because each employer correctly deducted PAYE the overall year-end position is correct. It frequently is not when two employers operate in the same year.
- ✗Not realising that unused annual tax credits from a career gap are refundable. Many workers assume credits expire if not used.
- ✗Accepting the employer's redundancy tax calculation without independent verification. The basic exemption calculation under s.192 TCA 1997 involves year-of-service figures that employers occasionally calculate incorrectly.
- ✗Not declaring overseas income in an Irish tax return when Irish residency applies. This creates a compliance risk with Revenue.
- ✗Not responding to Revenue queries within the required timeframe, causing a valid claim to be closed.
When This Does Not Apply
Key Takeaways
- ➤ Multiple employments, career gaps, and redundancy all routinely produce PAYE overpayments recoverable under s.865 TCA 1997 for 2022, 2023, 2024, and 2025.
- ➤ The average complex-case refund via MyTaxRebate is approximately €1,300 across four years.
- ➤ Revenue queries are more common in complex cases; professional preparation with supporting documentation significantly reduces delays.
- ➤ Where no overpayment exists, no claim is submitted and no fee applies.
Check Your Claim
MyTaxRebate can review your position and guide the next step.
Frequently Asked Questions
How does having two jobs affect my PAYE?
Emergency tax from the second employer creates an overpayment recoverable under s.865 TCA 1997. The four-year window covers 2022 to 2025.
Am I owed tax back if I left my job mid-year?
Yes. Unused annual tax credits from the months you did not work are refundable. A typical mid-year career gap produces a refund of €900 - €1,400.
Is redundancy taxable?
Statutory redundancy is fully exempt under s.192 TCA 1997. Ex-gratia amounts benefit from a €10,160 + €765/year basic exemption.
