SCHEDULE 13Charities relief
Interpretation
17
In this schedule, “annual rent” means the average annual rent over the term of the lease or, if—
(a)
different amounts of rent are payable for different parts of the term, and
(b)
those amounts (or any of them) are ascertainable at the time of the disqualifying event,
the average annual rent over the period for which the highest ascertainable rent is payable.