Car benefit multiplier
Car benefit multiplier rises to £24,100.
CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
CT61 payment
Due date for income tax for the CT61 quarter to 31 December 2018.
CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous tax month.
Self-assessment deadline (online)
Deadline for online submission of self-assessment tax return for 2017/18 tax year.