bb

to any planning permission for development consisting of the winning and working of minerals or involving the depositing of mineral waste which is granted (or deemed to be granted) subject to a condition that the development to which it relates must be begun before the expiration of a specified period after—

i

the completion of other development consisting of the winning and working of minerals already being carried out by the applicant for the planning permission; or

ii

the cessation of depositing of mineral waste already being carried out by the applicant for the planning permission;