Personal Tax - Key Dates for 2020/2021

31 JANUARY 2020

Deadline for 1st payment on account for 2019/20 tax year.

5 APRIL 2020

Deadline for claiming tax overpaid for the 2015/16 tax year under Self-Assessment

6 APRIL 2020

First day of the new tax year 2020/21.

31 MAY 2020

Last date to give employees a form P60 for 2019/20.

6 JULY 2020

Copies of 2019/20 P11d documents issued to employees.

31 JULY 2020

Deadline for 2nd payment on account for tax year ending 5 April 2020.

5 OCTOBER 2020

Deadline to register with the HMRC if you became self-employed or started receiving income from property in the previous year.

31 OCTOBER 2020

Deadline for paper Self-Assessment Returns for 2019/20 tax year.

30 DECEMBER 2019

Deadline for online submission of Self-Assessment Returns for year ending 5 April 2020 for HMRC to collect tax through PAYE tax codes where they owe less than £3,000.

31 JANUARY 2021 

Deadline for online self-assessment tax returns for 2019/20 tax year.

Deadline for paying tax bill for tax year ending 5 April 2020.

5 APRIL 2021

End of tax year 2020/21.