Bill on mail

You're referring to a "bill" as in a document sent by mail!

A bill is a document that is sent by a company or organization to a customer or client to request payment for goods or services provided. It typically includes the following information:

1. The company's name and address
2. The customer's name and address
3. A description of the goods or services provided
4. The amount owed
5. The payment terms (e.g., due date, payment method)

Bills can be sent by mail, email, or online platforms, and they are often used to facilitate transactions between businesses and individuals.