Assignment is the act of transferring power or rights to another, such as contractual rights. Accounts may be characterized as accounts payable, which is money that is owed to be paid to another, or accounts receivable, which is money owed for products or services to a provider of the same. Assignment of accounts is a debt management tool which is often used in business. It may be used to satisfy a loan, or collect a debt. For example, businesses which need an infusion of cash may assign accounts receviable to a debt collection agency.