The ASX does require a company to provide an explanation when...

The ASX does require a company to provide an explanation when their cash available for future operating activities gets down but the numbers they use are pretty useless. See extract from CDY 4C hereunder -

Whilst this report shows 8.1 quarters of funding available the operating activities do not take into account other recurring costs e.g Debt servicing costs - so it is not a very meaningful assesment of a company's viability.