Date What’s Due
 

1/04

 

Corporation tax payment for the year to 30/6/17 (unless quarterly instalments apply)

 

5/04

 

End of 2017/18 Tax Year. 2018/19 tax year starts 6 April 2018

 

19/4

 

PAYE & NIC deductions and CIS return and tax, for the month to 5/04/18 (due 22/04 if you pay electronically)

 

01/05

 

Corporation tax payment for the year to 31/07/17 (unless quarterly instalments apply)

 

19/5

PAYE & NIC deductions and CIS return and tax, for a month to 5/05/18 (due 22/05 if you pay electronically)