Construction Industry Scheme: monthly return due for period up to 5th of previous month.
2021-08-19
Monthly postal PAYE/class 1 NICs/student loan payment
If you pay by cheque through the post, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.
2021-08-21
Intrastat
Due date for payment of supplementary declarations for July 2021.
If paying electronically, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.
2021-08-31
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 August 2020 to be submitted to HMRC.
2021-08-31
Company accounts filing deadline
Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.
2021-09-01
Advisory fuel rates
New fuel rates come into force.
2021-09-01
Corporation tax payment
Corporation tax payment due for year end 30 November 2020, for those companies not liable to pay their liability by instalments.
