Tax event due on October 5

The following Tax Events are due on 05 October 2011:
Deadline for notifying HMRC of new sources of taxable income or gains for 2010/11 if no tax return has been issued.
What this means for you?
This deadline is relevant to individuals who have not received a self assessment tax return for the year ended 5th April 2011 but who believe they have received income or capital gains which will result in a tax liability. Individuals must notify HMRC of their liability so that a self assessment return can be issued in good time for the submission deadline of 31st January 2012.