Localized fields are additional fields that are required under certain circumstances,
depending on the shop country, destination country, and origin countries for all the
merchandise in the cart. For example, some countries require additional fields for customs information or tax identification numbers. You can retrieve the information from these fields using the [`LocalizedFieldConnection`](/docs/api/admin-graphql/latest/connections/localizedfieldconnection) connection.

This guide shows how to create and query country fields using the GraphQL Admin API.

## Requirements

- Your app can make [authenticated requests](/docs/api/admin-graphql#authentication) to the GraphQL Admin API.
- Your app has the `read_orders` [access scope](/docs/api/usage/access-scopes). Learn how to [configure your access scopes using Shopify CLI](/docs/apps/build/cli-for-apps/app-configuration).
- You've created at least one [draft order](/docs/api/admin-graphql/latest/objects/DraftOrder) and [order](/docs/api/admin-graphql/latest/objects/Order) in your Shopify store.

## Step 1: Add a country field

You can add a country field to a [draft order](#add-a-country-field-to-a-draft-order) or an [existing order](#add-a-country-field-to-an-existing-order) using the GraphQL Admin API, or you can [collect it on checkout](#collect-a-country-field-on-checkout).

> Note:
> In this step, you'll use a Brazilian CPF number. Visit the [help docs](https://help.shopify.com/manual/international/shipping/international-considerations#countries-and-regions-with-additional-tax-fields) to view the complete list of [country fields](/docs/api/admin-graphql/latest/enums/localizedfieldkey) that can be collected.

### Add a country field to a draft order

To add a country field to a [`DraftOrder`](/docs/api/admin-graphql/latest/objects/draftorder), pass the [`LocalizedFieldInput`](/docs/api/admin-graphql/latest/input-objects/localizedfieldinput) object to the [`draftOrderCreate`](/docs/api/admin-graphql/latest/mutations/draftordercreate) mutation.

The following mutation creates a draft order with a Brazilian CPF number:

<p>
<div class="react-stacked-code-block ThemeMode-dim" data-preset="stacked">
<script data-option="title" data-value="POST https://{shop}.myshopify.com/admin/api/{api_version}/graphql.json"></script>


<p>
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<div class="react-code-block-preload-codeline-number"></div>
<div class="react-code-block-preload-codeline"></div>
</div>

</div>
</div>

<script data-option="title" data-value="GraphQL mutation"></script>

<script type="text/plain" data-language="graphql">
RAW_MD_CONTENTmutation draftOrderCreate($input: DraftOrderInput!) {
  draftOrderCreate(input: $input) {
    draftOrder {
      id
      localizedFields(first:1) {
        edges {
          node {
            key
            value
          }
        }
      }
    }
  }
}
END_RAW_MD_CONTENT</script>

</div>
</p>

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</div>

</div>
</div>

<script data-option="title" data-value="Variables"></script>

<script type="text/plain" data-language="json">
RAW_MD_CONTENT{
    "input": {
        "lineItems": {
            "variantId": "gid://shopify/ProductVariant/38615082242",
            "quantity": 1
        },
        "localizedFields": {
            "key": "TAX_CREDENTIAL_BR",
            "value": "39053344705"
        },
        "email": "john_sally@gmail.com"
    }
}
END_RAW_MD_CONTENT</script>

</div>
</p>

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</div>

</div>
</div>

<script data-option="title" data-value="JSON response"></script>

<script type="text/plain" data-language="json">
RAW_MD_CONTENT{
  "data": {
    "draftOrderCreate": {
      "draftOrder": {
        "id": "gid://shopify/DraftOrder/243906019384",
        "localizedFields": {
          "edges": [
            {
              "node": {
                "key": "TAX_CREDENTIAL_BR",
                "value": "39053344705"
              }
            }
          ]
        }
      }
    }
  }
}
END_RAW_MD_CONTENT</script>

</div>
</p>


</div>
</p>


#### Convert the draft order into an order

Using the `id` value from the response of the `draftOrderCreate` mutation, use the [`draftOrderComplete`](/docs/api/admin-graphql/latest/mutations/draftOrderComplete) mutation to convert the draft order into an order.

<p>
<div class="react-stacked-code-block ThemeMode-dim" data-preset="stacked">
<script data-option="title" data-value="POST https://{shop}.myshopify.com/admin/api/{api_version}/graphql.json"></script>


<p>
<div class="react-code-block" data-preset="basic">
<div class="react-code-block-preload ThemeMode-dim">
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</div>

</div>
</div>

<script data-option="title" data-value="GraphQL mutation"></script>

<script type="text/plain" data-language="graphql">
RAW_MD_CONTENTmutation draftOrderComplete($id: ID!) {
  draftOrderComplete(id: $id) {
    draftOrder {
      id
      order {
        id
      }
    }
  }
}
END_RAW_MD_CONTENT</script>

</div>
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</div>

</div>
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<script data-option="title" data-value="Variables"></script>

<script type="text/plain" data-language="json">
RAW_MD_CONTENT{
  "id": "gid://shopify/DraftOrder/243906019384"
}
END_RAW_MD_CONTENT</script>

</div>
</p>

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<div class="react-code-block-preload-codeline"></div>
</div>

</div>
</div>

<script data-option="title" data-value="JSON response"></script>

<script type="text/plain" data-language="json">
RAW_MD_CONTENT{
  "data": {
    "draftOrderComplete": {
      "draftOrder": {
        "id": "gid://shopify/DraftOrder/243906019384"
      },
      "order": {
        "id":"gid://shopify/Order/1"
      },
    }
  }
}
END_RAW_MD_CONTENT</script>

</div>
</p>


</div>
</p>


### Add a country field to an existing order

To add a country field to an existing order, pass the [`LocalizedFieldInput`](/docs/api/admin-graphql/latest/input-objects/localizedfieldinput) input object to the [`orderUpdate`](/docs/api/admin-graphql/latest/mutations/orderupdate) mutation.

The following mutation updates an existing order with a Brazilian CPF number:

<p>
<div class="react-stacked-code-block ThemeMode-dim" data-preset="stacked">
<script data-option="title" data-value="POST https://{shop}.myshopify.com/admin/api/{api_version}/graphql.json"></script>


<p>
<div class="react-code-block" data-preset="basic">
<div class="react-code-block-preload ThemeMode-dim">
<div class="react-code-block-preload-bar basic-codeblock"></div>
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<script data-option="title" data-value="GraphQL mutation"></script>

<script type="text/plain" data-language="graphql">
RAW_MD_CONTENTmutation orderUpdate($input: OrderInput!) {
  orderUpdate(input: $input) {
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RAW_MD_CONTENT{
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}
END_RAW_MD_CONTENT</script>

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</div>

</div>
</div>

<script data-option="title" data-value="JSON response"></script>

<script type="text/plain" data-language="json">
RAW_MD_CONTENT{
  "data": {
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      "order": {
        "id": "gid://shopify/Order/5464858562",
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    }
  }
}
END_RAW_MD_CONTENT</script>

</div>
</p>


</div>
</p>


### Collect a country field on checkout

> Note:
> To test this feature, you need an order containing a localized field that was collected during checkout. You can create a localized field using a [developer preview store](/docs/api/development-stores).

To collect a country field on checkout, you can set the address of your store to Brazil (since Brazilian merchants are required to collect a tax ID for government invoicing) and complete a checkout from your storefront.

1. [Set the address](https://help.shopify.com/manual/intro-to-shopify/initial-setup/setup-business-settings#set-or-change-your-online-store-name-and-legal-business-name) of your store to Brazil. Remember to change your address back when you've completed the tutorial.

2. From your storefront, add a product to your cart and then complete a checkout.

3. Enter a valid Brazilian CPF number into the new **CPF/CNPJ** localized field in the **Additional information** section. If you don’t have one, then you can use `39053344705`.

4. Complete the checkout.

5. Open the order in the Shopify admin and verify that the `CPF/CNPJ` value is displayed inside the customer card, in the **Additional information** section.

## Step 2: Retrieve the country field

To retrieve a country field for an order, you can use the [`order`](/docs/api/admin-graphql/latest/queries/order) query. Pass the order ID to the order query and request the first five entries of the `localizedFields` connection. Check the response to make sure that the `CPF/CNPJ` field is returned.

<p>
<div class="react-stacked-code-block ThemeMode-dim" data-preset="stacked">
<script data-option="title" data-value="POST https://{shop}.myshopify.com/admin/api/{api_version}/graphql.json"></script>


<p>
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</div>

</div>
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<script data-option="title" data-value="GraphQL query"></script>

<script type="text/plain" data-language="graphql">
RAW_MD_CONTENT{
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END_RAW_MD_CONTENT</script>

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</div>

<script data-option="title" data-value="JSON response"></script>

<script type="text/plain" data-language="json">
RAW_MD_CONTENT{
  "data": {
    "order": {
      "id": "gid://shopify/Order/1",
      "localizedFields": {
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              "purpose": "TAX",
              "title": "CPF/CNPJ",
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END_RAW_MD_CONTENT</script>

</div>
</p>


</div>
</p>


## Validate a country field

You can use a Checkout UI extension or Shopify Function to implement custom validation for the localized field.
Learn more about building custom validation for checkout in the following tutorials:

- [Create client-side validation with checkout UI extensions](/docs/apps/build/checkout/cart-checkout-validation/create-client-side-validation)
- [Create server-side validation with a Cart and Checkout Validation Function](/docs/apps/build/checkout/cart-checkout-validation/create-server-side-validation-function)

## Next steps

- Use the GraphQL Admin API to [translate an online store's content](/docs/apps/build/markets/manage-translated-content).
- Use the Storefront API to [retrieve translated content](/docs/storefronts/headless/building-with-the-storefront-api/markets/multiple-languages).
- Explore an example for [retrieving a list of shop locales](/docs/api/admin-graphql/latest/queries/shopLocales#section-examples) with the GraphQL Admin API.
- Explore examples for [retrieving translatable resources](/docs/api/admin-graphql/latest/queries/translatableResource#section-examples) with the GraphQL Admin API.
- Learn how to [support multiple currencies and languages in your theme](/docs/storefronts/themes/markets/multiple-currencies-languages).