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# Changing a payment device and receipt numbers (mobile)

Changing the payment device can affect the numbering of future receipts. First decide whether to edit the existing device or create a new one.

## Edit the existing device

Edit it when changing its internal name, default operator, opening deposit, branch details, payment methods or fiscalization certificate.

1. On the bottom bar, tap **Cash register**.
2. Under **Cash register settings**, tap **Payment devices**.
3. Open the device, edit the required setting and tap **Save**.

## Create a new device

Create a new device when changing the company, business premise, business-premise code, payment-device code, physical place of payment or the device from which receipts are issued, or when a new receipt-number sequence is required.

After creating it, close any active cash register, set the new device as default and open a cash register on it.

Receipt numbers contain the sequence number, business-premise code and payment-device code. Each payment device maintains its own sequence for the year. Existing receipts keep their original numbers and fiscal data.

|| Important: Changing the default payment device affects only future receipts. It never rewrites already issued receipts.

## Related

* [How to create a payment device (mobile)](https://help.zoyya.com/en/article/how-to-create-a-payment-device-mobile-128emsz/)
* [How to set the default payment device (mobile)](https://help.zoyya.com/en/article/how-to-set-the-default-payment-device-mobile-psmsul/)
* [Payment methods on a payment device (mobile)](https://help.zoyya.com/en/article/payment-methods-on-a-payment-device-mobile-kxjclq/)