- 21 August 2016 (23rd August 2016 for online payment and filing):
P30 monthly return and payment for July 2016
- 19 August 2016 (23rd August 2016 for online payment and filing):
Corporation Tax Return CT 1 and final payment for companies with accounting periods ending 30 November 2015
- 21 July 2016 (23rd July 2016 for online payment and filing):
Preliminary Corporation Tax due (where liability is less than €200,000) for accounting periods ending 30 September 2016
- 31 August 2016:
Form 46G for companies with accounting periods ending 30 November 2015