diff --git a/includes/filters-actions.php b/includes/filters-actions.php
index a2a46af..b10f806 100644
--- a/includes/filters-actions.php
+++ b/includes/filters-actions.php
@@ -231,16 +231,16 @@ function woolab_icdic_checkout_field_process() {
 		// Check if in EU
 		if ( $countries->isCountryCodeInEU( $country ) ) {
 
-			// Match VAT country prefix and country code.
-			// @since 1.7.3.
-			if ( substr( $dic, 0, 2) != $country ) {
-				wc_add_notice( __( 'The billing country does not correspond to the country of the VAT number.', 'woolab-ic-dic' ), 'error' );
-			}
-
 			// If Validate in VIES
 			// Slovak DIC cannot (and shouldn't) be validated in VIES
 			if ( woolab_icdic_vies_check() && $country != 'SK' ) {
 
+				// Match VAT country prefix and country code.
+				// @since 1.7.3.
+				if ( apply_filters( 'woolab_icdic_check_billing_country_and_dic', true ) && substr( $dic, 0, 2) != $country ) {
+					wc_add_notice( __( 'The billing country does not correspond to the country of the VAT number.', 'woolab-ic-dic' ), 'error' );
+				}
+
 				$validator = new Validator();
 
 				if ( ! $validator->validateVatNumberFormat( $dic )) {
@@ -287,6 +287,12 @@ function woolab_icdic_checkout_field_process() {
 		$dic     = preg_replace('/\s+/', '', $_POST['billing_dic']);
 		$dic_dph = preg_replace('/\s+/', '', $_POST['billing_dic_dph']);
 
+		// Match VAT country prefix and country code.
+		// @since 1.7.4.
+		if ( apply_filters( 'woolab_icdic_check_billing_country_and_dic', true ) && substr( $dic_dph, 0, 2) != $country ) {
+			wc_add_notice( __( 'The billing country does not correspond to the country of the VAT number.', 'woolab-ic-dic' ), 'error' );
+		}
+
 		// Verify IC DPH
 		// If Validate in VIES
 		if ( woolab_icdic_vies_check() ) {
diff --git a/readme.txt b/readme.txt
index 942aba8..2389e32 100644
--- a/readme.txt
+++ b/readme.txt
@@ -131,7 +131,9 @@ Either post it on [GitHub](https://github.com/vyskoczilova/kybernaut-ic-dic) or
 
 = 1.7.4 () =
 
+* Fix: Additional check - billing country and VAT country prefix must match (paid by a supporter) for SK.
 * Feature: Added compatibility with [Fluid Checkout for WooCommerce - Lite](https://wordpress.org/plugins/fluid-checkout/).
+* Feature: Added a filter `woolab_icdic_check_billing_country_and_dic` allowing to disable the feature introduced in 1.7.3.
 
 = 1.7.3 (2023-10-08) =
 
diff --git a/woolab-ic-dic.php b/woolab-ic-dic.php
index d069327..e948333 100644
--- a/woolab-ic-dic.php
+++ b/woolab-ic-dic.php
@@ -3,7 +3,7 @@
  Plugin Name:			Kybernaut IC DIC
  Plugin URI:			https://kybernaut.cz/pluginy/kybernaut-ic-dic
  Description:			Adds Czech Company & VAT numbers (IČO & DIČ) to WooCommerce billing fields and verifies if data are correct.
- Version:				1.7.4-rc.1
+ Version:				1.7.4-rc-2
  Author:				Karolína Vyskočilová
  Author URI:			https://kybernaut.cz
  Text Domain:			woolab-ic-dic
@@ -29,7 +29,7 @@
 define( 'WOOLAB_IC_DIC_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
 define( 'WOOLAB_IC_DIC_ABSPATH', dirname( __FILE__ ) . '/' );
 define( 'WOOLAB_IC_DIC_URL', plugin_dir_url( __FILE__ ) );
-define( 'WOOLAB_IC_DIC_VERSION', '1.7.4-rc.1' );
+define( 'WOOLAB_IC_DIC_VERSION', '1.7.4-rc-2' );
 
 // Check if WooCommerce active
 function woolab_icdic_init() {