(1) Subject to this section and without prejudice to section 959AD, any assessment for withdrawing relief which is made by reason of an event occurring after the date of the claim may be made within 4 years after the end of the year of assessment in which that event occurs, and any additional tax arising shall be due and payable as set out in this Chapter.

(2) No assessment for withdrawing relief in respect of shares issued to any person shall be made by reason of any event occurring after his or her death.

(3) Where a person has, by a disposal or disposals to which section 508M(1)(b) applies, disposed of all the shares issued to the person by a company, no assessment for withdrawing relief in respect of any of those shares shall be made by reason of any subsequent event unless it occurs at a time when the person is connected with the company within the meaning of section 500.