11.—(1) Subject to sub-paragraph (2), a reservoir manager on whom a non-compliance penalty is imposed by notice, must pay to SEPA the amount of the penalty specified in the notice within a period of 56 days beginning with the day on which the notice was given to the reservoir manager or such longer period as SEPA may specify in the notice.
(2) In the case of an appeal, any penalty which falls to be paid (whether because the penalty was upheld or because the appeal was withdrawn) is payable within whichever of the following periods ends later—
(a)the period referred to in sub-paragraph (1);
(b)the period of 28 days beginning with the day on which the appeal is determined or withdrawn; or
(c)such period as the Scottish Ministers may, in determining the appeal, specify.