49. A provision of an Act or statutory instrument that gives a borough council a right, power or obligation as regards a given subject is completely or partially without effect, to the extent that all or part of the subject comes under an urban agglomeration power.
However, if the regular council of the central municipality has been delegated the exercise of that power under sections 46 to 48, it may subdelegate the power as regards the borough to the borough council, according to the rules set out by the charter of the municipality.