16A. Subject to sections 16B and 16C, the powers conferred by subsection (1) of section 16 may be exercised—

(a) in respect of land not immediately required for the purpose referred to in that subsection if, in the opinion of IDA, the land will or is likely to be required for such a purpose in the future, and

(b) whether or not, at the time of the exercise of the powers concerned, an industrial undertaking is identified for such a purpose.]