(1) In this Order, the "operator" of an installation is the person who has control over its operation.

(2) But where -

(a) a regulated activity has not begun to be carried out at an installation, the operator of the installation is the person who will have control over its operation when a regulated activity is carried out at the installation;

(b) a regulated activity is no longer carried out at an installation, the operator of the installation is the person who holds the permit for the installation or, if no permit authorises a regulated activity to be carried out at the installation, the person who had control over its operation immediately before regulated activities ceased to be carried out at the installation;

(c) the holder of a permit for an installation ceases to have control over its operation, the operator of the installation is the permit holder.