S. 153C : Assessment – Income of any other person – Search – Provision applicable to searches conducted prior to date of amendment – (Prior to and after amendment by Finance Act, 2015, with Effect From 1-6-2015)-Search conducted prior to amendment with effect from 1-6-2015 – Books received by Assessing Officer of assessee after that date -Belongs or belong to – Deeming fiction that date of initiation of search would be date when Assessing Officer of third person receives seized material -Amended provision applicable -Interpretation of taxing statutes -Interpretation which effectuates object and purpose of statute preferred.-Amendment by substitution —Rule against retrospectivity. [S. 132]