| Date | What’s Due |
| 1/11/20 | Corporation tax for year to 31/01/2020 unless quarterly instalments apply |
| 19/11/20 | PAYE & NIC deductions, and CIS return and tax, for month to 5/11/20 (due 22/11 if you pay electronically) |
| 1/12/20 | Corporation tax for year to 28/02/2020 unless quarterly instalments apply |
| 19/12/20 | PAYE & NIC deductions, and CIS return and tax, for month to 5/12/20 (due 22/12 if you pay electronically) |
|
30/12/20 |
Deadline for filing 2019/20 tax return online in order to request that HMRC collect outstanding tax via the 2020/21 PAYE code |