Schedule-III
                                                                                        (Applicable to Parallel Marketing System )

A parallel marketer under the parallel marketing system shall deal with and use:-
(a) Cylinder of any size, shape, design and weight other than these specified in Schedule II conforming to Indian Standard Specifications.
(b) Gas cylinder valve conforming to IS specification 8737 Part II of any size having an outlet collar diameter of 22.mm.
(c) Pressure regulator conforming to IS specification 9798 of any size and having an inlet diameter other than of 22.0 mm.
  NOTE:
1.The cylinder used by a parallel marketer shall be provided with valve protection ring different in shape from that in the cylinder used by a Government Oil Company.
2.The cylinder used by a parallel marketer shall be clearly marked with Colour Band and Logo of their respective company, firm or person marketing liquefied petroleum gas, as approved by the Chief Controller of Explosives.
3.Maximum permissible error on net quantities declared weight or by volume shall be as below:-

Declared quantity Maximum permissible error in excess or in deficiency
Gm or ml % gm or ml
1000-10000 1.5 %
10000-15000 - 150
more than 15000 1.0 %