Unlock Advanced Research with PRISMAI Integrated with over 4 crore judgments and laws — designed for legal practitioners, researchers, students and institutions - Know your Kanoon - Doc Gen Hub - Counter Argument - Case Predict AI - Talk with IK Doc - ... Upgrade to Premium Document Options Get in PDF Print it! [Cites 0, Cited by 0] [Section 133BA] [Entire Act] Union of India - Subsection Section 133BA(2) in The Aircraft Rules, 1937 (2)The acceptance granted under sub-rule (1), unless suspended or cancelled, shall remain valid for a period not exceeding two years, and on being satisfied, the Director General may renew it for a further period not exceeding two years at a time.