CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
End of CT61 quarterly period.
Corporation tax payment due for year end 30 June 2018, for those companies not liable to pay their liability by instalments.
Deadline for first self-assessment payment on account for tax year ended 5 April 2018.
Deadline for online submission of self-assessment balancing payments for 2017/18 tax year.