The scheme administrator must establish a procedure to manage and resolve complaints by producers and relevant authorities as to the way in which the scheme administrator exercises its functions under the Regulations, including in particular—
(a) complaints by liable producers in relation to the assessment of—
(i) the disposal fee or the administration fee which they are liable to pay for an assessment year under regulation 60(2); or
(ii) any recalculation of their disposal fee or administration fee under regulation 79; and
(b) complaints by relevant authorities in relation to—
(i) the assessment of their chargeable disposal costs under regulations 70 to 72;
(ii) any decision concerning the payments they are due to receive towards their chargeable disposal costs under regulation 76; or
(iii) any recalculation of their chargeable disposal costs under regulation 80.