An invoice doc is an official document that businesses use to bill for goods and services. It records the details of a transaction—including the customer’s name, the item(s) purchased, the cost, and any applicable taxes—and serves as evidence of an agreement between the business and customer. Invoice docs are essential for keeping accurate records of financial transactions and for ensuring that businesses are paid for the goods or services they provide. In addition, they provide legal protection to both parties involved in the transaction by making it clear what was agreed upon. By using invoice docs, businesses can streamline their financial processes and increase their efficiency.