(2)He may also, on being satisfied that it is intended by any persons or class of persons to convene or collect an assembly in any such road, street or thoroughfare, or to form a procession which would, in the judgment of the Magistrate of the district, or of the sub-division of a district, if uncontrolled, be likely to cause a breach of the peace, require by general or special notice that the persons convening or collecting such assembly or directing or promoting such procession shall apply for a licence.