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Payroll7 min read

Fourteen Days to 14 September: Ireland August PAYE Return

As of 31 August 2026, Irish employers have fourteen days to the 14 September PAYE/PRSI/USC/LPT return for August — with ROS payment extended to 23 September where you file and pay online.

Revenue’s Calendar of key dates for tax professionals lists 14 September 2026 for the monthly PAYE/PRSI/USC/LPT return and payment for August 2026, with the payment date extended to 23 September for ROS users who file and pay online. As of Monday 31 August — with July IOSS due today — employers have fourteen calendar days to the August return date.

The same 14 September date also carries Dividend Withholding Tax and Professional Services Withholding Tax monthly returns for August. Treat payroll, DWT, and PSWT as one mid-September ROS session if your profile carries more than one obligation.

Who must diary 14 September

Employers filing the August 2026 PAYE/PRSI/USC/LPT monthly return — paper or non-ROS payment paths do not receive the 23 September payment extension.

Companies remitting August DWT or filing F30 PSWT for August on the same date.

Payroll agents sequencing August payroll close after the July ROS cash work so September does not start with open July journals.

Fourteen-day payroll checklist

Clear July IOSS today if it sits on your profile, then lock August payroll runs and employee changes before mid-September leave thins coverage.

Confirm ROS payment mandates and dual approvals for the 23 September ROS payment path if you use the extension.

Diary bi-monthly VAT (19 September) and December year-end CT1 (23 September) beside PAYE so September ROS days stay sequenced.

Keep RCT August returns (23 September) on the same late-September cash calendar if you are a principal contractor.

How FinnAccountings helps with September PAYE packs

Organised payroll and expense records make monthly PAYE reviews faster. FinnAccountings helps Ireland and UK employers prepare bookkeeping and payroll packs with Chartered Accountant insight before you or your Chartered Accountant (Ireland) or ICAEW/ACCA adviser files. Start a free trial for review-ready drafts — we prepare records; we do not file PAYE returns or make Revenue payments on your behalf.

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Yesterday’s fifteen-day August PAYE briefing still maps DWT and PSWT on the same date.

Ireland Aug PAYE: 15 days to 14 September

This morning’s ROS after-IOSS September lock still sequences PAYE ahead of VAT and CT1 after today’s IOSS cut-off.

Ireland ROS after IOSS September lock

Bi-monthly July–August VAT shares the same September ROS month.

Bi-monthly VAT: 19 days to 19 September

Sources & references

This article draws on official guidance and publications from the sources below.

  1. 1.
    Calendar of key dates for tax professionals

    Revenue (Irish Tax and Customs) · Accessed 2026-08-31

  2. 2.
    Paying tax to Revenue

    Revenue (Irish Tax and Customs) · Accessed 2026-08-31

  3. 3.
    Employer’s PAYE Guide

    Revenue (Irish Tax and Customs) · Accessed 2026-08-31

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