January

1st	- Due date for payment of Corporation Tax for period ended 31 March 2010
4th	- Standard rate VAT increases to 20%
14th	- Due date for income tax for the CT61 quarter to 31 December 2010
19th/21st	- Quarter 3 2010/11 PAYE remittance due
31st	- First self assessment payment on account for 2010/11
	- Capital gains tax payment for 2009/10
	- Balanacing payment - 2009/10 income tax/Class 4 NICs
	- Last day to renew 2010/11 tax credits
	- Deadline for amending 2008/09 Tax Return
	- Last day to file the 2010 Tax Return online