Section 2(1)(f) in The Petroleum and Natural Gas Regulatory Board (Authorizing Entities to Lay, Build, Operate or Expand City or Local Natural Gas Distribution Networks) Regulations, 2008
(f)[ "contract year" means a period of twelve months commencing on and from the first date of the calendar quarter immediately following the date of authorisation and subsequent periods of twelve months each thereafter;] [Substituted by Notification No. F.No.PNGRB/Auth./CGD/Amd/2018, dated 6.4.2018 (w.e.f. 19.3.2008).]