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