diff --git a/js/admin.js b/js/admin.js
index 455aa83..b73ab8c 100644
--- a/js/admin.js
+++ b/js/admin.js
@@ -88,6 +88,8 @@ class NineteenEightyWoo {
 			make_invoice_if_kennitala_is_missing: Boolean( formData.get( 'make_invoice_if_kennitala_is_missing' ) ),
 			email_invoice: Boolean( formData.get( 'email_invoice' ) ),
 			make_credit_invoice: Boolean( formData.get( 'make_credit_invoice' ) ),
+			domestic_customer_ledger_code: formData.get( 'domestic_customer_ledger_code' ),
+			international_customer_ledger_code: formData.get( 'international_customer_ledger_code' ),
 			fetch_products: true
 		}
 
diff --git a/src/Config.php b/src/Config.php
index 1341aa0..4e3d6d4 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -30,6 +30,9 @@ class Config {
 	const DEFAULT_LEDGER_CODE_REDUCED_SALE      = 's003';
 	const DEFAULT_LEDGER_CODE_REDUCED_PURCHASE  = '';
 
+	const DEFAULT_LEDGER_CODE_DOMESTIC_CUSTOMERS      = '0001';
+	const DEFAULT_LEDGER_CODE_INTERNATIONAL_CUSTOMERS = '0002';
+
 	/**
 	 * Get the DK API key
 	 *
@@ -652,4 +655,70 @@ public static function get_make_credit_invoice(): bool {
 	public static function set_make_credit_invoice( bool $value ): bool {
 		return update_option( 'make_credit_invoice', (int) $value );
 	}
+
+	/**
+	 * Get the ledger code for domestic customers
+	 *
+	 * This is the ledger code that is used of the customer's country is the
+	 * same as the shop's country.
+	 *
+	 * @return string The ledger code.
+	 */
+	public static function get_domestic_customer_ledger_code(): string {
+		return (string) (
+			get_option(
+				'1984_woo_dk_domestic_customer_ledger_code',
+				self::DEFAULT_LEDGER_CODE_DOMESTIC_CUSTOMERS
+			)
+		);
+	}
+
+	/**
+	 * Set the ledger code for domestic customers
+	 *
+	 * @param string $value The ledger code to set.
+	 *
+	 * @return bool True on success, false on failure.
+	 */
+	public static function set_domestic_customer_ledger_code(
+		string $value
+	): bool {
+		return update_option(
+			'1984_woo_dk_domestic_customer_ledger_code',
+			(string) $value
+		);
+	}
+
+	/**
+	 * Get the ledger code for international customers
+	 *
+	 * This is the ledger code that is used of the customer's country is not the
+	 * same as the shop's country.
+	 *
+	 * @return string The ledger code.
+	 */
+	public static function get_international_customer_ledger_code(): string {
+		return (string) (
+			get_option(
+				'1984_woo_dk_international_customer_ledger_code',
+				self::DEFAULT_LEDGER_CODE_INTERNATIONAL_CUSTOMERS
+			)
+		);
+	}
+
+	/**
+	 * Set the ledger code for international customers
+	 *
+	 * @param string $value The ledger code to set.
+	 *
+	 * @return bool True on success, false on failure.
+	 */
+	public static function set_international_customer_ledger_code(
+		string $value
+	): bool {
+		return update_option(
+			'1984_woo_dk_international_customer_ledger_code',
+			(string) $value
+		);
+	}
 }
diff --git a/src/Rest/Settings.php b/src/Rest/Settings.php
index 2892a43..ce582e3 100644
--- a/src/Rest/Settings.php
+++ b/src/Rest/Settings.php
@@ -239,12 +239,19 @@ public static function rest_api_callback(
 			);
 		}
 
-		if (
-			true === property_exists(
-				$rest_json,
-				'enable_kennitala_in_block'
-			)
-		) {
+		if ( property_exists( $rest_json, 'domestic_customer_ledger_code' ) ) {
+			Config::set_domestic_customer_ledger_code(
+				$rest_json->domestic_customer_ledger_code
+			);
+		}
+
+		if ( property_exists( $rest_json, 'international_customer_ledger_code' ) ) {
+			Config::set_international_customer_ledger_code(
+				$rest_json->international_customer_ledger_code
+			);
+		}
+
+		if ( property_exists( $rest_json, 'enable_kennitala_in_block' ) ) {
 			Config::set_kennitala_block_field_enabled(
 				$rest_json->enable_kennitala_in_block
 			);
diff --git a/style/admin.css b/style/admin.css
index 21c843e..9f8346c 100644
--- a/style/admin.css
+++ b/style/admin.css
@@ -156,15 +156,15 @@ body.woocommerce_page_1984-dk-woo .wrap {
 	font-size: 1.5rem;
 }
 
-#dk-ledger-codes-table {
+.dk-ledger-codes-table {
 	width: auto;
 }
 
-#dk-ledger-codes-table td, #dk-ledger-codes-table th[scope=col] {
+.dk-ledger-codes-table td, .dk-ledger-codes-table th[scope=col] {
 	width: 6em;
 }
 
-#dk-ledger-codes-table input {
+.dk-ledger-codes-table input {
 	width: 4em;
 }
 
@@ -200,7 +200,7 @@ body.woocommerce_page_1984-dk-woo .wrap {
 		display: block;
 	}
 
-	#dk-ledger-codes-table td, #dk-ledger-codes-table th[scope=col] {
+	.dk-ledger-codes-table td, .dk-ledger-codes-table th[scope=col] {
 		width: auto;
 	}
 }
diff --git a/views/admin.php b/views/admin.php
index 42575cb..635f851 100644
--- a/views/admin.php
+++ b/views/admin.php
@@ -173,7 +173,7 @@ class="regular-text api-key-input"
 				);
 				?>
 			</p>
-			<table id="dk-ledger-codes-table" class="form-table">
+			<table id="dk-ledger-codes-table" class="form-table dk-ledger-codes-table">
 				<thead>
 					<tr>
 						<th></th>
@@ -513,7 +513,44 @@ class="regular-text api-key-input"
 							</p>
 						</td>
 					</tr>
+				</tbody>
+			</table>
+		</section>
 
+		<section class="section">
+			<h2><?php esc_html_e( 'Customers', '1984-dk-woo' ); ?></h2>
+			<table id="customers-table" class="form-table dk-ledger-codes-table">
+				<tbody>
+					<tr>
+						<th scope="row" class="column-title column-primary">
+							<label for="domestic_customer_ledger_code_field">
+								<?php esc_html_e( 'Ledger Code for Domestic Customers', '1984-dk-woo' ); ?>
+							</label>
+						</th>
+						<td>
+							<input
+								id="domestic_customer_ledger_code_field"
+								name="domestic_customer_ledger_code"
+								type="text"
+								value="<?php echo esc_attr( Config::get_domestic_customer_ledger_code() ); ?>"
+							/>
+						</td>
+					</tr>
+					<tr>
+						<th scope="row" class="column-title column-primary">
+							<label for="international_customer_ledger_code_field">
+								<?php esc_html_e( 'Ledger Code for International Customers', '1984-dk-woo' ); ?>
+							</label>
+						</th>
+						<td>
+							<input
+								id="international_customer_ledger_code_field"
+								name="international_customer_ledger_code"
+								type="text"
+								value="<?php echo esc_attr( Config::get_international_customer_ledger_code() ); ?>"
+							/>
+						</td>
+					</tr>
 				</tbody>
 			</table>
 		</section>