(1) An order shall not be made under Rule 71.04 unless it is shown by affidavit—
(a) that the judgment is unsatisfied, either wholly or to a stated extent; and
(b) that, as the case requires—
(i) a debt is due or accruing to the judgment debtor from the garnishee; or
(ii) a debt will or is likely to become due or accrue to the judgment debtor from the garnishee.
(2) Where an application is made for an order under Rule 71.04 in respect of a debt within paragraph (1)(b)(ii) of this Rule, the affidavit shall—
(a) give particulars identifying the transaction between the judgment debtor and the garnishee under which the debt will or is likely to become due or accrue; and
(b) state the date or likely date it will become due or accrue.
(3) An affidavit under this Rule may contain statements of fact based on information and belief if the grounds are set out.