EC sales list
Deadline for online monthly or quarterly return filing.
Quarterly postal PAYE/class 1 NICs payment
Q1 (2018/19) PAYE/NIC payment due where paid by cheque. The cheque must be with HMRC by this date in order to avoid automatic interest charge.
PAYE/class 1 NICs quarterly payment
Quarter 1 (2017/18) PAYE/NIC payment due where paid by cheque. The cheque must be with HMRC by this date in order to avoid automatic interest charge.
NICs postal payments for 2016/17
Deadline for postal payments to reach HMRC for any outstanding class 1A NICs for the tax year ending 5 April 2017.
CIS return
Construction Industry Scheme: monthly return due for period to 5th of month.