The country’s banking lobby says it is impossible to predict what cash use will look like in a decade as it negotiates on extending a lifeline to keep the Lindsay Fox-owned Armaguard transport business afloat.

Anna Bligh, the Australian Banking Association’s chief executive, confirmed a report in The Australian Financial Review that the major lenders, along with large retailers and Australia Post, had put forward a short-term rescue package to keep the monopoly cash-in-transit company operating.