65 The final chargeable periodU.K.
(1)The final chargeable period for—
(a)the main pool, or
(b)a long-life asset pool,
is the chargeable period in which the qualifying activity is permanently discontinued.
(2)The final chargeable period for a single asset pool is the first chargeable period in which any disposal event given in section 61(1) occurs.
(3)Subsection (2) is subject to—
sections 77(1) and 206(4) (no final chargeable period merely because plant or machinery begins to be used partly for purposes other than those of qualifying activity);
sections 86(2) and 87(2) (ending of short-life asset pool at four-year cut-off without final chargeable period);
section 132(2) (no final chargeable period for single ship pool).
(4)The final chargeable period for a class pool under section 107 (overseas leasing) is the chargeable period at the end of which the circumstances are such that there can be no more disposal receipts in any subsequent chargeable period.