WordPress at Your Fingertips
filter is not described

woocommerce_countries_inc_tax_or_vat filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_countries_inc_tax_or_vat', 'filter_function_name_3' );
function filter_function_name_3( $return ){
	// filter...

	return $return;
}
$return
-

Where the hook is called

WC_Countries::inc_tax_or_vat()
woocommerce_countries_inc_tax_or_vat
woocommerce/includes/class-wc-countries.php 451
return apply_filters( 'woocommerce_countries_inc_tax_or_vat', $return );

Where in WP core the hook is used WooCommerce

Usage not found.