| Date | What’s Due |
| 1/04 | Corporation tax payment for year to 30/6/20 (unless quarterly instalments apply) |
| 6/04 | 2020/21 tax year ended on 5th. 2021/22 tax year begins.
New “off-payroll” working rules start. |
| 19/04 | PAYE & NIC deductions, and CIS return and tax, for month to 5/04/21 (due 22/04 if you pay electronically) |
| 1/05 | Corporation tax payment for year to 31/7/20 (unless quarterly instalments apply) |
| 19/05 | PAYE & NIC deductions, and CIS return and tax, for month to 5/05/21 (due 22/05 if you pay electronically) |