5 April
Last day of 2023/24 tax year.
Deadline for 2023/24 ISA investments and pension contributions.
Last day to make disposals using the 2023/24 CGT exemption.
14 April
Due date for income tax for the CT61 period to 31 March 2024.
19 April
Automatic interest is charged where PAYE tax, Student loan deductions, Class 1 NI or CIS deductions for 2023/24 are not paid by today. Penalties may also apply if any payments have been made late throughout the tax year.
PAYE quarterly payments are due for small employers for the pay periods 6 January 2023 to 5 April 2024.
PAYE, Student loan and CIS deductions are due for the month to 5 April 2024
Deadline for employers’ final PAYE return to be submitted online for 2023/24.