Payment by Instalment

A company whose fiscal period ends at any time during the period:
January 1st to September 30th (both dates inclusive) must pay 50% of tax paid for the previous income year on October 15th. The remainder of tax due as shown on the Corporation Tax Return for that year is to be paid on March 15th.

A company whose fiscal period ends at any time during the period:
October 1st to December 31st (both dates inclusive) must pay 50% of tax paid for the previous income year on December 15 th and 50% on March 15 th. Any additional amount due as shown on the Corporation Tax Return for the year is to be paid on filing on or before June 15th.