Section 2
[Provided that where the proper officer fails to so determine within the specified period, any officer senior in rank to the proper officer may, having regard to the circumstances under which the proper officer was prevented from determining the amount of duty or interest under sub-section (8), extend the period specified in clause (a) to a further period of six months and the period specified in clause (b) to a further period of one year:
2 [Provided that where the proper officer fails to so determine within the specified period, any officer senior in rank to the proper officer may, having regard to the circumstances under which the proper officer was prevented from determining the amount of duty or interest under sub-section (8), extend the period specified in clause (a) to a further period of six months and the period specified in clause (b) to a further period of one year:
Provided further that where the proper officer fails to determine within such extended period, such proceeding shall be deemed to have concluded as if no notice had been issued;]