Sch 20 para 21
The revocations made by paragraph 1, and the provision made by paragraph 20, have effect— (a) for the purposes of stamp duty, in relation to instruments executed on or after the day on which this Act is passed, and (b) for the purposes of stamp duty reserve tax— (i) in the case of agreements to transfer securities which are not conditional, in relation to agreements made on or after that day, and (ii) in the case of agreements to transfer securities which are conditional, in relation to agreements where the condition is satisfied on or after that day.