Dates & deadlines
19 December 2021
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.
CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
21 December 2021
Intrastat
Due date for payment of supplementary declarations for November 2021.
22 December 2021
Monthly electronic PAYE/class 1 NICs/student loan payment
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.
30 December 2021
Online self-assessment (PAYE)
Deadline for online submission of self-assessment tax returns for tax year ended 5 April 2020 for HMRC to collect tax through PAYE codes, where they owe less than £3,000.
31 December 2021
CT61
End of CT61 quarterly period.
Company accounts filing deadline
Deadline for filing your annual accounts is 9 months after your company’s financial year ends.
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 December 2020 to be submitted to HMRC.
Talk to us about upcoming deadlines
From high-level advice with the future in mind to practical, hands-on support with the day-to-day challenges of running a business, Alton & Co offers every accountancy service you could need. From corporation tax returns to personal tax planning, from bookkeeping to business startup, our team is ready to join you on your journey to growth.