---
title: "DefaultCountryResolver – API-Referenz · Quittio"
description: "The seller's country (BT-40) determines the leading pack. The buyer's country (BT-55) adds rules for cross-border invoices. A country without a pack of its own takes the pack of the country whose VAT territory it belongs to (VatTerritory::vatCountry(): Monaco the French, Liechtenstein the Swiss pack). Without an installed pack, a generic pack is used."
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meta:
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---

> Index of every page on this site: [llms.txt](https://quittio.dev/llms.txt)

[API reference](https://quittio.dev/docs/api) / [Quittio](https://quittio.dev/docs/api/Quittio) \\ [Core](https://quittio.dev/docs/api/Quittio/Core) \\ [Countries](https://quittio.dev/docs/api/Quittio/Core/Countries)

# DefaultCountryResolver

final readonly class in quittio/core · implements [`CountryResolver`](https://quittio.dev/docs/api/Quittio/Core/Countries/CountryResolver)

`Quittio\Core\Countries\DefaultCountryResolver` · [Source](https://github.com/Quittio/quittio/blob/v0.7.1/packages/core/src/Countries/DefaultCountryResolver.php#L15)

The seller's country (BT-40) determines the leading pack. The buyer's country (BT-55) adds rules for cross-border invoices. A country without a pack of its own takes the pack of the country whose VAT territory it belongs to (VatTerritory::vatCountry(): Monaco the French, Liechtenstein the Swiss pack). Without an installed pack, a generic pack is used.

## Methods \#

| Method | Description |
| --- | --- |
| `->__construct()` | |
| `->resolve()` | |

### `__construct()`#

```
public function __construct(CountryRegistry $registry, ?string $defaultCountry = null)
```

| Parameter | Type | Description |
| --- | --- | --- |
| `$registry` | `[CountryRegistry](https://quittio.dev/docs/api/Quittio/Core/Countries/CountryRegistry)` | |
| `$defaultCountry` | `?string` = `null` | |

### `resolve()`#

```
public function resolve(
    InvoiceData $invoice,
    ?string $countryOverride = null,
): ResolvedCountries
```

| Parameter | Type | Description |
| --- | --- | --- |
| `$invoice` | `[InvoiceData](https://quittio.dev/docs/api/Quittio/Core/Data/InvoiceData)` | |
| `$countryOverride` | `?string` = `null` | |

<dl><dt>Returns</dt>
<dd><code><a href="https://quittio.dev/docs/api/Quittio/Core/Countries/ResolvedCountries">ResolvedCountries</a></code></dd>
</dl>

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```