Verified answer

They aren't required to in the uk. Sometimes governments put regulations on companies without good reason.

A Sources and applications of funds statement is obtained by comparing a current years balance sheet with a prior years. As accountants prepare both of these a while after a companies year end, its value is very limited.

However a forecast of projected cash flows is essential for most businesses who are typically cash poor

This needs to a updated at least monthly, in extreme cases daily. Without cash a potentially successful business can fail.

Publicly traded companies need to. One reason is that investors need to know if the company can pay its current bills.