# Billing

### Billing

This option allows the registration of a bill when an inventory item is sold.

**Customer**

Enable from the list of customers the one that you are making an invoice for.

**Invoice**

The system automatically generates an invoice number. This number begins at 1000001 and increases by one each time you are making a new invoice.

**Date**

Enter the date of the invoice. The default date is today's date.

**Location**

Enable the appropriate provenance of the inventory stock.

**Invoice**

Display the invoice number automatically generated by Maitre'D for this invoice.

**Customer**

Displays the customer name to which the invoice is billed.

**Date**

Displays the date of the transaction.

**Discount**

Displays the discount rate assign to this customer. This discount rate is specified in the customer records and automatically discounts the price of the items included on this invoice.

**Details**

The Detailed section displays the list of inventory items included in the invoice.

**Sub Total**

Displays current items total before tax.

**Tax1,Tax2**

Displays tax amount applied to this invoice.

**Total**

Display Invoice total.

![Button - Add](https://documentation.payfacto.com/POS/MaitreD/Fulldoc/assets/images/MaitreDCommon/Buttons/MDButton-Add.jpg)

Enable Add key to add an inventory item to the invoice.

![Button - Modify](https://documentation.payfacto.com/POS/MaitreD/Fulldoc/assets/images/MaitreDCommon/Buttons/MDButton-Modify.jpg)

Enable Modify key to access the current highlighted inventory item.

![Button - Delete](https://documentation.payfacto.com/POS/MaitreD/Fulldoc/assets/images/MaitreDCommon/Buttons/MDButton-Delete\(Consolas\).jpg)

Enable Delete key to remove the current highlighted inventory item.

**Item**

Select an item from the list.

**Quantity**

Enter the quantity you are selling.

**Price**

This field displays the selling price that was programmed in the inventory item. You can always enter a different price.

[![Report Link](https://documentation.payfacto.com/POS/MaitreD/Fulldoc/assets/images/MaitreDCommon/ReportLink.png)](https://documentation.payfacto.com/POS/MaitreD/Fulldoc/Chap11_InventoryManagement/Help/RBilling.htm)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.payfacto.com/payfacto-knowledge/maitred-pos/maitred/maitred-online-help-contents-by-module/inventory-management/action/billing.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.