Provision for cases where assessment is in pursuance of an order on appeal, etc. [Section 150] under Income escaping assessment [Section 147] :
Section 150 provides that notwithstanding anything contained in section 149, notice under section 148 may be issued at any time in consequence of or to give effect to (a) any finding or direction in an order passed by any authority in appeal, reference or revision or (b) by a Court in any proceeding under any other law.
However, notice under section 148 cannot be issued, if at the time when the order which was the subject matter of appeal, reference, revision was passed, the time limit for the issue of such notice had expired. This is contained in section 150(2).