the law firm has issued an invoice and the client wants it. Invoices issued by law firms are usually delivered to clients. Invoice is one of the rights and interests of the client as a client of the law firm, which is used to record the services and fees provided by the law firm. The client can save or use invoices as needed, for example, for reimbursement, tax records, filing of legal affairs, etc. Therefore, law firms usually deliver invoices to clients to meet their legitimate rights and needs. This shows that the law firm has issued an invoice and the client wants it.