3.—(1) Anything done under the 2000 Act(1) before the relevant day by or in relation to the chief constable of a police force maintained under the 1967 Act(2) or the Director General of the Scottish Crime and Drug Enforcement Agency is, on and after that day, to be treated as having been done by or in relation to the chief constable of the Police Service of Scotland.
(2) Anything else done under the 2000 Act before the relevant day by or in relation to a constable serving with a police force maintained under the 1967 Act or as a member of the Scottish Crime and Drug Enforcement Agency is, on and after that day, to be treated as having been done by or in relation to the constable while serving as a constable of the Police Service of Scotland.