14 September

PAYE/PRSI/USC/LPT:

Monthly return and payment for August 2021 (payment date is extended to 23^rd for ROS users paying and filing online)

14 September

DWT:

Return and payment of DWT for August 2021

14 September

PSWT:

F30 monthly return and payment for August 2021

19 September

VAT:

Monthly VAT 3 return and payment (if due) for the period August together with a Return of Trading Details where the accounting period ends in August

19 September

VAT:

Bi-Monthly VAT 3 return and payment (if due) for the period July – August together with a Return of Trading Details where the accounting period ends between 1 July and 31 August

19 September

VAT:

4 Monthly VAT 3 return and payment (if due) for the period May – August together with a Return of Trading Details where the accounting period ends in between 1 May and 31 August

19 September

VAT:

Annual VAT 3 return and payment (if due) for the period September – August together with a Return of Trading Details where the accounting period ends in August

1–21 September

Corporation Tax:

Preliminary tax for APs ending between 1–31 October 2021

1–21 September

Corporation Tax:

First instalment of preliminary tax for “Large Companies” with a financial year ending between 1 – 31 March 2022

1–21 September

Corporation Tax:

Returns for APs ending between 1–31 December 2020

1–21 September

Corporation Tax:

Pay balance due on APs ending between 1–31 December 2020

23 September

RCT:

Monthly return and payment (if due) for August 2021

1–31 September

Corporation Tax:

Returns of Third-Party Information for APs ending between 1–31 December 2020

Note:

Where returns and payments are made electronically, the return and payment deadline is extended to the 23^rd day of the month. Where the return and payments are not made electronically, the deadline is 1–21 of the relevant month.