(2C)Every report under sub-section (2A) shall be furnished by the assessee to the Assessing Officer within such period as may be specified by the Assessing Officer :Provided that the Assessing Officer may, suo motu, or on an application made in this behalf by the assessee and for any good and sufficient reason, extend the said period by such further period or periods as he thinks fit; so, however, that the aggregate of the period originally fixed and the period or periods so extended shall not, in any case, exceed one hundred and eighty days from the date on which the direction under sub-section (2A) is received by the assessee.