Tax Diary September/October 2014.

 1 September 2014 - Due date for Corporation Tax due for the year ended 30 November 2013.

 19 September 2014 - PAYE and NIC deductions due for month ended 5 September 2014. (If you pay your tax electronically the due date is 22 September 2014.)

 19 September 2014 - Filing deadline for the CIS300 monthly return for the month ended 5 September 2014.

 19 September 2014 - CIS tax deducted for the month ended 5 September 2014 is payable by today.

 1 October 2014 - Due date for Corporation Tax due for the year ended 31 December 2013.

 19 October 2014 - PAYE and NIC deductions due for month ended 5 October 2014. (If you pay your tax electronically the due date is 22 October 2014.)

 19 October 2014 - Filing deadline for the CIS300 monthly return for the month ended 5 October 2014.

 19 October 2014 - CIS tax deducted for the month ended 5 October 2014 is payable by today.

 31 October 2014 – Latest date you can file a paper version of your 2014 Self Assessment tax return.