Amendment of section 30

In the principal Act, in section 30, in sub-section (1), for the proviso, the following proviso shall be substituted, namely: - "Provided that such period may, on sufficient cause being shown, and for reasons to be recorded in writing, be extended; - (a) by the Additional Commissioner or the Joint Commissioner, as the case may be, for a period not exceeding thirty days; (b) by the Commissioner, for a further period not exceeding thirty days, beyond the period specified in clause (a).".