Tax, accountancy and payroll deadlines

31-Jan Personal tax return online submission deadline. Possible £100 penalty on any late return.
31-Jan Personal Tax due on income and capital gains to 5 April, for individuals and trustees. However, it may have been necessary to have made a payment on account the previous January 31st and possibly a further one the previous July 31st.
Feb – Mar Register with IR for submission of year end form P35 online.
02-Feb Deadline for submission of forms P46(car) for quarter ended 5th January
06-Apr All in year employer forms – P45, P46 etc must now be submitted online this year only
19-Apr Interest will commence if employers PAYE and NIC aren’t paid by this date.
03-May Deadline for submission of forms P46(car) for quarter ended 5th April
19-May Employers deadline for submission of Forms P35 (end of year return) and accompanying P14 (details of the total tax and NIC paid) to the Inland Revenue. An automatic penalty of £100 for every 50 employees (or part of 50) is payable for each month or part month that the return is late – and for incorrect returns received.
31-May Employers deadline for distribution of Form P60, to employees who were in employment at the end of the tax year.
05-Jul Employers deadline for submission of Forms P11D(b), P11D and P9D to HMRC. There’s an initial penalty of £300 for each form not returned in time, plus up to £60 a day if the failure continues. If an employer fraudulently or negligently provides incorrect information, there’s a penalty of up to £3,000 for each form.
06-Jul Employers deadline to provide current and former employees with Forms P11D(b), P11D and P9D. These forms provide details of all expenses paid and benefits provided.
19-Jul Employers Class 1A NI contributions due – calculated annually from P11D entries, and payable after the relevant tax year. Interest will run on any contributions paid late.
31-Jul Second possible penalty of £100 on any late personal Tax Return. Also second on late payment of tax due 31 January.
02-Aug Deadline for submission of forms P46(car) for quarter ended 5th July
30-Sep Deadline for submission of personal Tax Returns if you wish for HMRC to calculate your tax liabilities. If you haven’t been sent a tax return, advise the tax office by 5 October, at the latest, if you have had a new source of income, or capital gains exceeding £7,700 or sale proceeds in excess of £15,400.
02-Oct National Minimum Wage increases
19-Oct Tax and NIC payable for employers who have entered into a PAYE Settlement Agreement (PSA) with HMRC. This Agreement allows employers to make a single annual payment covering tax and NIC on certain benefits and expenses payments which aren’t shown on the end of year forms P11D and P9D; supporting figures need to be provided to HMRC in advance of this date.
02-Nov Deadline for submission of forms P46(car) for quarter ended 5th October