In this Chapter -
"competent supervisory authority" shall be construed in accordance with the Directive;
"complainant" means a data subject who or, as the case may be, a body mandated in accordance with section 120 that, lodges a complaint;
"complaint" means a complaint lodged in accordance with section 119;
"controller" and " processor" have the meanings they have in Part 5;
"corrective power" means a power conferred on the Commission by section 127;
"inquiry" means an inquiry referred to in section 123;
"infringement" means an infringement of a relevant provision.