When Is An Account Expired?

Accounts never expire. Once a customer has an account, the account remains in the system forever. Linked to the account are contracts that define the price and conditions of a service supplied to the customer. When an account has active contracts, the system produces bills for it. If the account doesn't have active contracts, the system will not produce a bill for it. You can think of an account without active contracts as being "dormant", waiting for the day when the customer again starts service. If the customer never restarts, the account (along with its financial history) remains dormant forever.