Underpayment of tax for PAYE only taxpayers

There are a number of reasons why this can occur. These include:

Your employer or pension provider may not have used the most up-to-date Revenue Payroll Notification (RPN). This may have resulted in incorrect tax credits or standard rate cut off point being applied to your income.
Reduction or removal of a tax credit and the additional tax due was not fully collected during the tax year.
A change in your pay frequency. For example, a change from being paid weekly to fortnightly.
A change in your employment during the year which has resulted in you receiving more than 52 weeks tax credits or rate band against your income.
The death of a spouse or partner, separation or divorce was not advised to Revenue. This would mean an adjustment to your tax credits or rate band was required.
If your Illness Benefit payment(s) were not fully taxed during the tax year.
Receiving Pension or Benefit payments from the Department of Employment Affairs and Social Protection (DEASP) and the DEASP income not accounted for or were increased during the tax year;

Any queries on the above give me a call on 091 763817 or email me at oliver@taxreturnhelp.ie