Important Dates

Payments: Income Tax and Class 4 National Insurance Contributions
1st Payment on Account : 31st January
2nd Payment on Account : 31st July
Balancing Payment : 31st January

Capital Gains Tax
31st January

Class 1A National Insurance Contributions
19 July

Corporation Tax
9 months and 1 day after the end of accounting period (or in some cases by quarterly instalments)

Returns Filling Deadlines:
6 July : P9D, P11D and P11D(b) and appropriate copies to employees

31 October : Self Assessment Tax Return (SATR) – Paper version

30 December : Self Assessment Tax Return (SATR) – Online filling (Where outstanding tax less than £2,000 to be included in 2011-2012 PAYE code)

31 January : Self Assessment Tax Return (SATR) – Online filling