Important Accountant Dates

31 January 2010 Deadline for filing tax returns for 2008/09. Balancing payment due for 2008/09. First payment on account due for 2009/10.

31 January 2010 Interest charged on any tax owed but remaining unpaid for tax returns issued up to 31 October 2009.

1 February 2010 First fixed penalty of £100 charged if the self assessment tax return was not filed by 31 January 2010. (If return issued after 31 October 2010 this date is revised to three months from the date of issue stated on the return).

28 February 2010 First surcharge applied at a rate of 5% to the outstanding balancing payment for 2008/09, this does not apply to the first balancing payment for 2009/10.

12 March 2010 Alistair Darling’s first budget speech as Chancellor.

5 April 2010 Final day of the 2009/10 tax year, also being the final day on which one can:

utilise the individual capital gains tax annual exemption of £9,200 for 2009/10;
claim indexation allowance and taper relief on capital disposals before it is abolished;
utilise inheritance tax annual gift exemption of £3,000 for 2009/10;
pay personal pension contributions in respect of 2009/10;
IR35 companies pay salaries to contribute PAYE/NIC to 2009/10.

6 April 2010 First day of the 2010/11 tax year. 2009/10 tax returns or notices to complete a tax return will be sent out to all self-assessment taxpayers.

19 April 2010 Deadline for payment of 2009/10 PAYE/NIC for IR35 companies.

19 May 2010 Deadline for filing PAYE return forms, or substitutes and P35.

31 May 2010 Deadline for employers to issue form P60 for year ended 5 April 2010.

1 July 2010 Corporation tax liability due to be paid for companies with a 30 September 2009 year end.

5 July 2010 Last chance to claim for any new entitlements to Tax credits so as to receive full entitlement.

6 July 2010 Deadline for submission of forms P11d, P11d(b) and P9D for 5 April 2010.

19 July 2010 Class 1A NIC payment is due (22 July for larger employers paying electronically).

31 July 2010 The following events occur for individuals:

Second payment on account for 2009/10 is due for self assessment taxpayers;
Second fixed penalty of £100 is issued if the self assessment tax return remains outstanding;
Second 5% surcharge if the 2008/09 balancing payment has still not been paid. Again this does not apply to the payments on account.

31 July 2010 The following events occur for companies:

Corporation tax returns for the year ended 31 July 2009 must be filed;
Limited company accounts filing deadline for year ended 30 September 2009.

1 August 2010 Corporation tax due to be paid for 31 October 2009 accounting period end.

31 August 2010 Limited company accounts filing deadline for 31 October 2009 accounting period end and filing deadline for corporation tax returns with an accounting period ending 31 August 2009.

1 September 2010 Corporation tax liability to be paid for accounting periods ending 30 November 2010 accounting period end.

30 September 2010 Deadline for:

Receipt of self assessment tax returns by HMRC where you wish for HMRC to calculate your liability;
Corporation tax returns for accounting periods ended 30 September 2009;
Submission of self assessment tax returns where you wish for your balancing payment (below £2,000) to be collected through your 20010/11 PAYE code.

1 October 2010 Corporation tax liability due for payment in relation to 31 December 2009 accounting periods.

5 October 2010 Deadline for notifying HMRC of new income sources where a self assessment tax return has not previously been required.

6 October 2010 Last date to notify HMRC of a tax liability where no tax return has been issued.

19 October 2010 Payment of income tax and NIC for the previous year under any voluntary PAYE settlement agreement.

31 October 2010 Deadline for:

Submission of paper self assessment tax returns for 2009/10;
Limited company accounts filing deadline for accoutning periods ended 31 December 2009;
Filing of corporation tax returns for accounting periods ended 31 October 2009.

30 December 2010 Deadline for submission of self assessment tax returns over the internet where you wish for your balancing payment (below £2,000) to be collected through your 20011/12 PAYE code.

31 January 2010 Deadline for:

Submission of 2009/10 self assessment tax returns over the internet;
Submission of 2009/10 self assessment paper returns for designated persons (such as MP’s and public figures);
Payment of 2009/10 balancing payment;
Payment of 2010/11 first payment on account.

1 February 2010 First fixed penalty of £100 charged if the self assessment tax return was not filed by 31 January 2010. (If return issued after 31 October 2009 this date is revised to three months from the date of issue stated on the return).