A debt may be attached under this Order if the debt—
(a) is due or accruing to the judgment debtor from the garnishee on the day an order for the filing and service of a garnishee summons is made; or
(b) becomes due or accrues to the judgment debtor from the garnishee between the day an order for the filing and service of a garnishee summons is made and the day for hearing named in the summons.