31 July 2010
Second interim payment of income tax due for 2009/10, where required.
Second 5% surcharge on unpaid 2008/09 tax.

31 October 2010
Deadline for submission of 2009/10 paper tax returns.

31 January 2011
Deadline for submission of 2009/10 tax returns where submitted on-line.
Taxpayer sends balancing payment required of 2009/10 liability to income tax and capital gains tax.
First interim payment of income tax due for 2010/11, where required.

28 February 2011
5% surcharge on unpaid 2009/10 tax.

31 July 2011
Second interim payment of income tax due for 2010/11, where required.
Second 5% surcharge on unpaid 2009/10 tax.

31 October 2011
Deadline for submission of 2010/11 paper tax returns.

31 January 2012
Deadline for submission of 2010/11 tax returns where submitted online.