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 37A] [Entire Act] Union of India - Subsection Section 37A(1) in Aircraft Rules, 1937 (1)An aircraft shall not bear on any part of its exterior surface any advertisement or any sign or lettering except those under these rules and as required or permitted by the Director-General.