20-09-2020, 05:55 PM
(This post was last modified: 20-09-2020, 05:57 PM by Mike Costigan.)
Just checked, the critical date is in fact 1st October 1937, see paragraph 35(2g) - note the requirement is first use, not construction:
https://www.legislation.gov.uk/uksi/1986...separately.
https://www.legislation.gov.uk/uksi/1986...separately.