Tax Calendar: Important Dates & Deadlines
April - May 2021

Now updated with May dates, here's a list of important tax dates and deadlines for the coming months.

April 2021 - End of Tax Year - Use up your allowances!

• 1st - Increase in Minimum Wage to £8.91 per hour for over 24's, for all rate changes see here. 
• 1st - Stamp duty land tax: non-UK resident surcharge of 2% comes into force
• 5th - End of 2020/21 tax year. Last chance to avail of annual exemptions for capital gains tax, inheritance tax, pension allowances and ISA's
• 5th - deadline for electing to transfer the married couple’s allowance from husband to wife, or remove a previous transfer, for 2021/22.
• 5th - Last chance to use up any unused pension allowance from 2017/18; or to claim back any overpaid tax from 2016/17; or to top up your NI contributions for the sake of your state pension for 2014/15.
• 6th - New tax year commences as do any tax changes, see our list of tax changes for further info.
• 6th - HMRC issue Self Assessment Returns and Notices to Complete a Return for the year to 5 April 2021.
• 30th - Last chance to avoid the £10 a day additional penalty on outstanding 2019/20 Self Assessment tax return.

Below dates relevant for Employers only

• 6th - Employers must check their payroll software incorporates the 20-21 changes from today. Also make sure any relevant changes to employees tax codes for the 2021/22 year have been made.
• 6th - van benefit charge reduced to zero for vans that produce zero carbon emissions
• 8th - HMRC will no longer except VAT returns through XML software.
  
• 19th - Your final Full Payment Submission (FPS) for the 2019-20 year should be returned by today. 
  
• 19th (22nd if paid electronically) - 1st quarter PAYE/Nat. Ins. payments due for period 6th Jan to 5th April 2020.
• 19th (22nd if paid electronically) - PAYE, Nat Ins, Student Loan & CIS monthly deductions due.
• 19th (22nd if paid electronically) - Interest is charged on any outstanding PAYE/CIS from 2019/20.

Also: 2nd Good Friday-Bank Holiday; 5th Easter Monday- Bank Holiday; 23rd St George's Day

May 2021

• 1st - 2019/20 Self Assessment now 3 Months late = £10 a day fine up to a maximum of £900 (90 days) for every day it is late.
• 31st - Employees should have received their P60 for 2020/21 from their employer by this date.

Below dates are relevant for Employers only.

• 3rd - Deadline to notify HMRC of changes to employees car/fuel benefit (P46) from previous quarter. 
• 19th (22nd if paid electronically) - PAYE, Nat. Ins.,Student Loan & C.I.S. Monthly deductions due.
• 31st - Last date to issue P60’s for 2020/21 to employees.

Also: 3rd Bank Holiday; 31st Bank Holiday

If there are any relevant tax dates we are not presently including in our tax calendar, please feel free to contact us to request their inclusion.