1 May: Corporation tax payment for a company not within the instalment regulations: year ending 31 July 2012

2 May: Submission of form P46(car) for changes in quarter ended 5 April 2013

5 May: End of month 1 for PAYE, all RTI submissions due if taking advantage of concession.

7 May: Online VAT return due to be filed and electronic payment of VAT due to be cleared into HMRC bank: quarter ended 31 March 2013

10 May: Direct debit VAT payment will be taken: quarter ended 31 March 2013

19 May: Employer annual return P35 for year ended 5 April 2013 should be submitted by this date

19 May: CIS monthly return deadline: month ended 5 May 2013

19 May: Cheque payments for PAYE/NI, student loan and CIS to be cleared into HMRC bank: month ended 5 May 2013

22 May: Electronic PAYE/NI etc payments to be cleared into HMRC bank: month ended 5 May 2013

31 May: Provide all employees who were working for you at 5 April form P60 for 2012/13 by this date

31 May: Company tax return CT600 due to HMRC: years ending 31 May 2012

31 May: Company accounts (Private Limited Co) due to be filed: years ending 31 August 2012

31 May: Company accounts (Public Companies) due to be filed: years ending 30 November 2012

1 June 2013: Corporation tax payment for company not within the instalment regulations: years ending 31 August 2012