13. (1) In this Part—

“competent authority (D)” shall be construed in accordance with section 20(1);

“competent authority (M)” shall be construed in accordance with section 15 ;

“protected site” means a site within (whether in whole or in part) the maritime area that is afforded some form of protection under another enactment;

“relevant proposal” shall be construed in accordance with section 21(1).

(2) Unless the context otherwise requires, a word or expression that is used in this Part and is also used in the MSP Directive has the same meaning in this Part as it has in that Directive.