Calendar & useful dates

January


1

Corporation tax due for year end  31st March of previous year.

31

Deadline for online filing of your self assessment tax return

February


28

Unpaid balance of tax for previous year

March


31

Deadline for submission of corporation tax return for the previous year ended 31st March.

Companies House filing deadline for the year ended 30th June for the previous year.

April


4

ISA contribution deadline

5

Tax year end calculate IR35 pay

6

New tax year starts

19

Deadline for payment of PAYE for previous tax year and IR35 tax.

Submission of end of tax year PAYE declarations to H M Revenue and Customs under RTI

May


31

Issue P60's to employees

June


30

Calculate VAT partial exemption adjustment for year end 31st March.

July


5

PAYE settlement to be agreed.

6

Forms P11d to be submitted to H M Revenue and Customs for previous tax year.

19

Pay class 1a national insurance

31

Payment of second instalment of tax for the previous tax year.

August


September


30

Companies House filing deadline for the year ended 31st December of the previous year.

October


1

Due date for payment of corporation tax for year ended 31st December of the previous year.

31

Filing deadline for submission of paper based self assessment tax returns for year end 5th April.

November


December


30

Deadline for filing self assessment tax returns if you want your tax liability to be coded out (if less than £3,000).

31

Due date for submission of corporation tax return for the year ended 31st December of the previous year.