| Date | What’s Due |
| 01/12/21 | Corporation tax for year to 28/02/2021 unless quarterly instalments apply |
| 19/12/21 | PAYE & NIC deductions, and CIS return and tax, for month to 5/12/21 (due 22/12 if you pay electronically) |
|
30/12/21 |
Deadline for filing 2020/21 tax return online in order to request that HMRC collect outstanding tax via the 2022/23 PAYE code |
|
01/01/22 |
Corporation tax for year to 31/03/2021 unless quarterly instalments apply |
|
19/01/22 |
PAYE & NIC deductions, and CIS return and tax, for month to 5/1/22 (due 22/1 if you pay electronically) |
|
31/01/22 |
Deadline for filing 2020/21 self-assessment tax return online and paying your outstanding tax for 2020/21 and first payment on account of 2021/22 tax. |