Customers will have to set up an account with a traditional billing system before making purchases.

It sparked discussions among the public about the security of an online game's billing system.

It also suffered from problems with its computerized billing systems that cost the company many customers.

The good news is that our billing system isn't ready yet.

However, persistent problems with its computerized billing system have cut the company's revenues.

Lawyers defend a billing system that got a colleague in trouble.

Its poor performance is likely to be due, in large part, to the implementation of a new billing system," it says.

In others, they reflect problems with the billing system.

The studios still followed the billing system of the silent era.