> For the complete documentation index, see [llms.txt](https://help.unitpay.ru/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.unitpay.ru/en/payments/parameters-for-receipts.md).

# Parameters for receipts

According to requirement 54-FZ, it is necessary to send receipts to the buyer and the Federal Tax Service of the Russian Federation.

If you have connected an online cash desk then when creating a payment, you must send the following parameters:

|                   | **Value** | **Description**                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| ----------------- | --------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **customerEmail** | line      | Payer's email                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **customerPhone** | number    | Payer's phone number in international format without "+"                                                                                                                                                                                                                                                                                                                                                                                                                   |
| **cashItems**     | line      | Order items: name - item name, count - quantity, price - price, type - item type from the table [Types of online cash register receipt items](/en/online-cash-desk/receipt-items.md), if not specified, then it is commodity.    The value of this parameter should be translated to json and encoded using base64. Format of the parameter items: base64\_encode(json\_encode(\[\["name" => "1 month hosting", "count" => 1, "price" => 10.00, "type" => "commodity"]])); |