> For the complete documentation index, see [llms.txt](https://docs.bossithq.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bossithq.com/delivery-areas/system-behaviour.md).

# System Behaviour

## Web/App

The system will automatically verify the address against the defined delivery zones. If the address is outside all defined delivery zones, the venue will be **greyed out** and the customer will be unable to place a delivery order.

<figure><img src="https://1925381409-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5cJdZdmiiIn3u107Grmv%2Fuploads%2Fviovh04zTb6OF5ujSizF%2Fimage.png?alt=media&amp;token=25dde683-e9cf-4344-8218-7e05801406c6" alt=""><figcaption></figcaption></figure>

## POS

For Delivery orders in the POS, staff may **override** delivery restrictions at their discretion when taking an order manually in-store or over the phone.

If the address entered is **outside the serviceable delivery zone**, a message will appear alerting you. You'll be prompted to either:

* **Accept the order**, with the option to add or waive a delivery surcharge, or
* **Reject the order**, if the venue chooses not to serve that address

<figure><img src="https://1925381409-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5cJdZdmiiIn3u107Grmv%2Fuploads%2FyaiUjJFAEuNhkKJFRI4u%2Fimage.png?alt=media&amp;token=61ea0b89-2403-499b-994b-093f3f517920" alt=""><figcaption></figcaption></figure>

<figure><img src="https://1925381409-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5cJdZdmiiIn3u107Grmv%2Fuploads%2FUAAloWtfHqBnOCfafiJv%2Fimage.png?alt=media&amp;token=28758f43-6d9b-4d88-9e84-1a6ac708229d" alt=""><figcaption></figcaption></figure>

{% hint style="warning" %}
The ability to edit delivery surcharge is controlled by three different permissions:

* User can edit delivery surcharge — for clearing or editing the Delivery surcharge field.
* User can waive delivery surcharge — for waiving delivery surcharge
* User can waive all delivery charges — for waiving all delivery charges (basic + surcharge)
  {% endhint %}


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