(3)The authorised officer may––(a)retain the assets and material seized or requisitioned, under section 247 or 248, up to one month from the end of the quarter in which the order of assessment or reassessment or recomputation is made under section 270(10) or section 271 or section 279 or section 294(1)(c);(b)retain such assets and material seized or requisitioned, beyond the period specified in clause (a), after recording reasons in writing and obtaining approval from the approving authority.