What are the consequences if no declaration under the Scheme is made in respect of undisclosed income prior to the commencement of the Scheme?

​As per section 197(c) of the Finance Act, 2016, where any income has accrued or arisen or received or any asset has been acquired out of such income prior to the commencement of the Scheme and no declaration is made under the Scheme, then such income shall be deemed to have been accrued, arisen or received or the value of the asset acquired out of such income shall be deemed to have been acquired in the year in which a notice under section 142/143(2)/148/153A/153C is issued by the Assessing Officer and the provisions of the Income-tax Act shall apply accordingly.