1 July 2017 – Due date for Corporation Tax due for the year ended 30 September 2016. 6 July 2017 – Complete and submit forms P11D return of benefits and expenses and P11D(b) return of Class 1A NICs. 19 July 2017 – Pay Class 1A NICs (by the 22 July 2017 if paid electronically). 19 […]