1/12

Corporation tax payment for year to 29/02/16 (unless quarterly instalments apply)

19/12

PAYE & NIC deductions, and CIS return and tax, for month to 05/12/16 (due 22/12 if you pay electronically)

30/12

Deadline for filing 2015/16 tax return online in order to request that HMRC collect outstanding tax via the 2016/17 PAYE code

1/01

Corporation tax payment for year to 31/3/16 (unless quarterly instalments apply)

19/01

PAYE & NIC deductions, and CIS return and tax, for month to 05/01/17 (due 22/01 if you pay electronically)

31/01

Self-Assessment tax return for 2015/16 due, together with balancing payment and 50% payment on account of 2016/17 tax.