| 19/11/19 | PAYE & NIC deductions, and CIS return and tax, for month to 5/11/19 (due 22/11 if you pay electronically) |
| 1/12/19 | Corporation tax for year to 28/02/2019 unless quarterly instalments apply |
| 19/12/19 | PAYE & NIC deductions, and CIS return and tax, for month to 5/12/19 (due 22/12 if you pay electronically) |
|
30/12/19 |
Deadline for filing 2018/19 tax return online in order to request that HMRC collect outstanding tax via the 2019/20 PAYE code |