Date What’s Due
1 September Corporation tax for year to 30/11/16
19 September PAYE & NIC deductions, and CIS return and tax, for month to 5/9/17 (due 22 September if you pay electronically)
1 October Corporation tax for year to 31/12/16
5 October Deadline for notifying HMRC of chargeability for 2016/17 if not within Self-Assessment and  receive income or gains on which tax is due
19 October PAYE & NIC deductions, and CIS return and tax, for month to 5/10/17(due 22 October if you pay electronically)