The IBAC must not approve the payment of an amount to a witness under this Division unless the witness produces to the satisfaction of the IBAC evidence—
(a) in the case of regulation 10 or 11(2), that as a result of attending the examination the witness has sustained, or will sustain, a loss of income or of time that the witness would otherwise have devoted to an income‑producing occupation; and
(b) in the case of regulation 11(3) or (4) or 12(3), of the expenditure or cost incurred by the witness; and
(c) in the case of regulation 12(1), that the witness was absent from their home by reason of attendance at an examination at the relevant times; and
(d) in the case of regulation 13, of the cost of the most economical form of transport.
Division 2—Provision of legal assistance