Notification under section 10(23C)(iv) confers specified tax-exempt recognition on Calcutta Zoroastrian Stree Mandal for a specified assessment year Notification by the Central Government under section 10(23C)(iv) of the Income-tax Act notifying the Calcutta Zoroastrian Stree Mandal for the purposes of that sub-clause for the stated assessment year, thereby recording administrative recognition of its status under the Act for that assessment period.