14. Section 21BAA of the Principal Act is amended—
(a) by omitting from subsection (1) “section 21B” and substituting “this Part”; and
(b) by adding at the end the following subsection:
“(2) Where, on request by a person for a decision under subsection (1), the Commissioner decides that the person's entitlement to a rebate has not altered, the Commissioner shall give the person written notice of the decision.”.