1 September: Corporation tax payment for company not within the instalment regulations: year ended 30 November 2011

5 September: End of month 5 for PAYE

7 September: Online VAT return due to be filed and electronic payment of VAT due to be cleared into HMRC bank: quarter ended 31 July 2012

12 September: Direct debit VAT payment will be taken: quarter ended 31 July 2012

14 September: HMRC E-marketplaces campaign, time to disclose and pay

19 September: CIS monthly return deadline: month ended 5 September 2012

19 September: Cheque payments due for PAYE/NI, student loan, CIS: month ended 5 September 2012

22 September: Electronic PAYE/NI etc payments to be cleared into HMRC bank: month ended 5 September 2012

30 September: Company tax return CT600 due to HMRC: year ended 30 September 2011

30 September: Company accounts (Private Limited Company) due to be filed: year ended 31 December 2011

30 September: Company accounts (Public Company) due to be filed: year ended 31 March 2012

1 October: Corporation tax payment for company: year ended 31 December 2011

1 October: National minimum wage increases from this date

2 October: HMRC tax return initiative deadline