The key filing dates to remember in June 2023
| TAX HEAD | RETURN | PERIOD | PAYMENT & FILING DATE |
| Dividend Withholding Tax | DWT | May 2023 | 14th June 2023 |
| Professional Services Withholding Tax (PSWT) | F30 | May 2023 | 14th June 2023 |
| PAYE/PRSI/USC/LPT | Monthly Deductions | May 2023 | 23rd June 2023 |
| Relevant Contracts Tax (RCT) | RCT Monthly Return | May 2023 | 23rd June 2023 |
| VAT | Monthly VAT3 & Return of Trading Details | May 2023 | 23rd June 2023 |
| VAT | Bi-Monthly VAT 3 & Return of Trading Details | April/May 2023 | 23rd June 2023 |
| VAT | Annual VAT3 & Return of Trading Details | June 2022 – May 2023 | 23rd June 2023 |
| VAT | IOSS Monthly Return | May 2023 | 30th June 2023 |
| Corporation Tax | Preliminary tax | Accounting periods ending 31st July 2023 | 23rd June 2023 |
| Corporation Tax | Corporation Tax Return (Form CT1) | Accounting periods ending 30th September 2022 | 23rd June 2023 |
| Corporation Tax | Returns of Third-Party Information (Form 46G) | Accounting periods ending 30th September 2022 | 30th June 2023 |
| Corporation Tax | Close companies with undistributed profits | Accounting periods ending 31st December 2021 | 30th June 2023 |
