50.—(1) The appropriate authority must notify an applicant in writing of its determination to grant or refuse approval of a proposed scheme under regulation 49—
(a)in the case of an application made under regulation 47(1), on or before 30th September of the year before the compliance period in respect of which approval is to take effect;
(b)in the case of an application made in reliance on regulation 47(3) within 4 months of the date of receipt of the application.
(2) A notification that the appropriate authority has made a determination to refuse approval must—
(a)state the reason for the decision; and
(b)inform the applicant of the right of appeal under Part 11.
(3) If—
(a)an applicant appeals against a refusal of approval under regulation 49; and
(b)the outcome of that appeal requires the appropriate authority to grant approval,
the authority must within 28 days of the date of the determination of the appeal notify the applicant of its determination to grant approval.