Section 162(2) of the principal Act is amended by repealing paragraphs (a) to (c), and substituting the following paragraphs:
“(a) in the case of an activity to which section 152(1)(b) applies,—
“(i) must not be granted for a period greater than the period specified in the authorisation; and
“(ii) must not authorise the removal of any material at a rate, or of a total quantity, greater than that specified in the authorisation; and
“(b) is subject to section 112.”