Section 273(2) in The West Bengal Motor Vehicles Rules, 1989
(2)The instructions for the working and maintenance of the producer shall be subject to the approval of the State Transport Authority which shall cease to be endorsed thereon a statement of the materials and parts declared by the applicant not to be calculated to withstand two years' wear and tear. A copy of the above instructions so approved and endorsed, and bearing upon it the particulars specified in the clause (c) of sub-rule (1) of rule 272, shall be attached to, or tendered with, every producer offered for sale. The instructions referred to in sub-rule (1) and in this sub-rule shall include the manufacturer's recommendations as to lubrication generally and in particular upper cylinder lubrication.
