(3)When the licensing authority grants a licence other than for export or import of explosives, after conducting inspection of the premises to ensure conformity of the premises to the provisions of the Act and these rules, such authority shall endorse the licence and from the date of such endorsement, the licence shall come into force:Provided that if the licensing authority grants a licence without conducting prior inspection, such authority shall issue provisional permission pending endorsement of licence to use the licensed premises for a period which the licensing authority may require for conducting inspection of the premises for endorsement of the licence.