Estimate of cost of work

12.—(1) Where any fee is to be assessed on the reasonable cost to the ONR or the licensing authority of carrying out relevant work, the ONR or the licensing authority (as the case may be) must—

(a) on receipt of the application or request, as the case may be, prepare and send to the person making that application or request an estimate of the cost of carrying out the relevant work; and

(b) before carrying out the relevant work, obtain confirmation from the person making the application or request that the person wishes the work to be carried out on the basis of that estimate of cost.

(2) For the purposes of this regulation, “relevant work” means—

(a) in relation to the ONR, any work under regulation 16(1) or (2);

(b) in relation to the licensing authority, any work under regulation 9(3).