S. 275 : Penalty-Bar of limitation-Cash transactions-Date for reckoning period of limitation proceeding based on reference by Assessing Officer Show-cause notice-Held, limitation to be reckoned from date of reference and not from date of issuance of notice by competent authority-Penalty order barred by limitation-Interpretation of taxing statutes Purposive interpretation-Absence of condonation provision to imply strict adherence to prescribed period-Courts cannot expand statutory timelines-Circular No. 9/DV/2016 dated April 26, 2016 ((2016) 383 ITR (St.) 21) [S. 269SS, 271D, 275(1)(c)]