Part 2 (and section 21) and section 14 apply only in relation to—
contracts of insurance entered into after the end of the relevant period, and
variations, agreed after the end of the relevant period, to contracts of insurance entered into at any time.
Parts 3 and 4 of this Act apply only in relation to contracts of insurance entered into after the end of the relevant period, and variations to such contracts.
In subsections (1) and (2) "the relevant period" means the period of 18 months beginning with the day on which this Act is passed.
Part 4A applies only in relation to contracts of insurance entered into after that Part has come into force, and variations to such contracts.
Unless the contrary intention appears, references in Parts 2 to 5 to something being done by or in relation to the insurer or the insured include its being done by or in relation to that person's agent.