(1) The attachment of debts procedure may not be used if the order is to pay money into court.
(2) An attachment of debts order can be made only against a garnishee who is within the jurisdiction.
(3) A debt may be attached if it —
(a) is due or accruing to the judgment debtor from the garnishee on the date that the provisional order under rule 50.3 is served on the garnishee; or
(b) becomes due or accrues due to the judgment debtor at any time between the service of the provisional order under rule 50.3 and the date of the hearing.