# Adding online cash desk

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

To generate checks at the same time as making payments, you need to connect an online cashier.

You can:

* buy cash desk by yourself and integrate it through unitpay
* connect a ready-made solution - [Unit.Receipts](https://help.unitpay.ru/online-cash-register/unit.receipts)

**How to add:**

1. Log in
2. Go to Management->online cash registers
3. Choose an option
4. If your choice is different from Unit.Receipts then populate required fields
5. Click 'Connect' button

![](/files/-MAz9fExsU9nAiBh5PQf)

In order to generate a receipt it is necessary to send several parameters when creating a payment.

{% hint style="warning" %}
If the online cash desk has been activated, and the required parameters have not been transferred, the payment solution won't work (payments will be made with the error)\
More details you can find [here](https://help.unitpay.ru/v/master/payments/parameters-for-receipts).
{% endhint %}

{% hint style="info" %}
For "ATOL Online" cashboxes, FFD versions 1.05 and 1.2 are available. (to switch it, you need to contact the "ATOL Online" support).
{% endhint %}

{% hint style="danger" %}
Please note that the cashdesks ModulKassa, KitOnline and ECOM work with FFD 1.05. If you want to connect a cashdesk with FFD 1.2, please, contact our [Support](https://help.unitpay.ru/v/master/support).\
\
We also offer you to connect our free solution for 54-FZ: [Unit.Reciepts](https://help.unitpay.ru/v/master/online-cash-desk/unit.reciepts)
{% endhint %}


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