Self Assessment: Key Dates 2010/11

31 July 2010 - Second payment on account for 2009/10.

5 October 2010 - Deadline for notifying HMRC of new sources of income if no tax return has been issued for 2009/10.

31 October 2010 - Deadline for submission of 2009/10 non-electronic returns. Also, the deadline for submission of 2009/10 returns requiring HMRC calculation and where the taxpayer wants a balancing payment (below £2,000) collected through their 2011/12 PAYE code.

31 January 2011 - Deadline for filing electronic tax returns for 2009/10.
Balancing payment due for 2009/10. First payment on account due for 2010/11.