A Class 1 Licence shall be granted by public tender where

(a) The unassigned frequencies or frequency bands available in a given locality or service area for the provision of the public communications service required are limited.

(b) so required as a result of a frequency allocation made under these Regulations; or ·

(c) The number of Class 1 licences that may be granted for the public communications service is restricted under any enactment or under the direction of the Board.