S. 12AB: Procedure for fresh registration-Provisional registration-Genuineness of donations has to be seen at the time of assessment and not at the time of registration of trust-Rejection of application for regularisation on questioning genuineness of donation by recourse to section 115BBC was beyond scope of enquiry-Matter remanded to the file of CIT(E) to decide the issue in accordance with law. [S. 12A(1)(ac)(iii), 115BBC]