CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
CT61
End of CT61 quarterly period.
CIS return (online)
Monthly CIS deadline for online returns following the last month.
CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
CIS return (paper)
Monthly CIS deadline for postal returns following the last tax month.