(5)If the [Principal Commissioner or Commissioner] [Substituted by Act 25 of 2014, section 4, for 'Commissioner' (w.e.f. 1-6-2013).] is satisfied, after having heard the assessee that the provisions of Chapter X-A are not to be invoked, he shall by an order in writing, communicate the same to the Assessing Officer with a copy to the assessee.