The purpose of this part is to provide for the review of, and appeals from,
the following decisions (each an
"original decision" )—
(a) a decision made by the authority in relation to—(i) a matter for which this Act provides an application can be made; or(ii) a levy or levy amount;
(b) an entry in the register of workers made by the authority;
(c) an entry in the register of employers made by the authority;
(d) a notice or an information notice given by the authority.