19Limit on borrowing by and investment in the Corporation
(1)The aggregate of the following shall not at any time exceed the limit imposed by or by virtue of subsection (2) below—
(a)the amount outstanding in respect of the principal of any money borrowed by the Corporation under section 16 above, section 16 of the Iron and Steel Act 1975 or section 19 of the [1967 c. 17.] Iron and Steel Act 1967, other than money borrowed by them for the payment off of any part of their commencing capital debt, being the debt of £133,988,359-20 which the Corporation were treated as having assumed on 28th July 1967 and other than money borrowed by them from a publicly-owned company;
(b)any sums actually paid by the Secretary of State to the Corporation under subsection (1) of section 18 above together with the sum referred to in subsection (3) of that section, other than so much of it as represents any sum which was treated by virtue of subsection (3) or (4) of section 18 of the Iron and Steel Act 1975 (the £500 million deemed to have been paid on 28th July 1967 and sums specified in a direction equivalent to a direction under section 18(4) above) as having been paid by the Secretary of State under that section; and
(c)the amount outstanding in respect of the principal of any money borrowed by any publicly-owned company, other than money borrowed from the Corporation or another publicly-owned company.
(2)The said limit is £3,500 million or such other sum as the Secretary of State may specify by order made with the consent of the Treasury.
(3)The specified sum may be greater than the one it replaces, but shall not exceed £4,500 million and where an order is made so as to come into force before the end of 1982, the specified sum may be less than the one it replaces, but shall not be less than £2,500 million.