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 6F(2)] [Section 6F] [Entire Act] Union of India - Subsection Section 6F(2)(iv) in Income Tax Rules, 1962 (iv)carbon copies of bills, whether machine numbered or otherwise serially numbered, wherever such bills are issued by the person, and carbon copies or counterfoils of machine numbered or otherwise serially numbered receipts issued by him: