1 October – Corporation tax for year to 31/12/14
19 October – PAYE & NIC deductions, and CIS return and tax, for month to 5/10/15 (due 22 October if you pay electronically)
1 November – Corporation tax for year to 31/01/15
19 November – PAYE & NIC deductions, and CIS return and tax, for month to 5/11/15 (due 22 November if you pay electronically)