Key Dates and Deadlines

Payment Dates
Income Tax (including Class 4 NIC)
31 July 2011 2010/11 second payment on account
31 January 2012 2010/11 balancing payment, and
2010/11 first payment on account
31 July 2012 2011/12 second payment on account
31 January 2013 2011/12 balancing payment, and
2012/13 first payment on account
Class 1A NICs
19 July 2011 2010/11 payment due
Capital Gains Tax
31 January 2012 2011/12 Capital Gains Tax
31 January 2013 2012/13 Capital Gains Tax
Corporation Tax
9 months and one day after the end of the accounting period (or by quarterly instalments if large company)
Inheritance Tax
6 months after the end of the month of death or chargeable transfer.
For chargeable lifetime transfers between 6 April and 30 September, due date is 30 April in the following year.
For chargeable lifetime transfers between 1 October and 5 April, due date is six months after the end of the month in which the transfer was made.
Latest Filing/Issuing Deadlines - 2009/10 PAYE Returns
19 May 2011 P14, P35, P38 and P38A - file online
31 May 2011 Issue P60s to employees
6 July 2010 P9D, P11D and P11Db - also issue copies to employees
Form 42 (reporting of employment-related securities)
2010 Self Assessment Tax Return (SATR)
31 October 2011 Last filing date - SATR Paper Version
30 December 2011 SATR Online if outstanding tax (less than £2,000) to be included in 2012-13 PAYE code
31 January 2012 Last filing date - SATR Online