(1)For the purposes of this section and sections 401 and 402 references to plant or machinery, in the case of any company, include all plant or machinery, whether or not subject to a lease, except for plant or machinery within subsection (2).
(2)Plant or machinery is within this subsection if—
(a) the company has not incurred expenditure on its provision that is qualifying expenditure for the purposes of Part 2 of CAA 2001,
(b)the company is a lessor of it under a long funding lease,
(c)as a result of section 67 of that Act (hire-purchase and similar contracts) it is treated for the purposes of that Part as owned by a person other than the company, or
(d)it is to be ignored as a result of section 407(2) (migration).
(3)For the purposes of section 399, “PM” is the sum of—
(a)the amounts (if any) which would be shown in respect of plant or machinery in the appropriate balance sheet of the relevant company drawn up as at the start of the relevant day, and
(b)the amounts (if any) which would be shown in the appropriate balance sheet of the relevant company drawn up as at the end of the relevant day in respect of relevant transferred plant or machinery.
(4)For the purposes of subsection (3)(b), plant or machinery is “relevant transferred plant or machinery” if an amount in respect of it would be shown in the appropriate balance sheet of an associated company drawn up as at the start of the relevant day.
(5) This section is supplemented by section 401 and is subject to section 402 (“PM” where relevant company lessee under long funding lease etc ).