(3) On receipt of an application for a stage carriage permit or a public carrier' s permit, the Regional Transport Authority shall make the application available for inspection at the office of the Authority and shall publish the application or the substance thereof in the prescribed manner together with a notice of the date before which representations in connection therewith may be submitted and the date not being less than thirty days from such publication, on which, and the time and place at which, the application and any representations, received will be considered; 1[ Provided that, if the grant of any permit in accordance with the application or with modifications would have the effect of increasing the number of vehicles operating in the region, or in any area or on any route within the region, under the class of permits to which the application relates, beyond the limit fixed in that behalf under subsection (3) of section 47 or sub- section (2) of section 55, as the case may be, the Regional Transport Authority may summarily refuse the application without following the procedure laid down in this sub- section.]