Code-Snippets-Functions/Execute a function on a child site/WooCommerce/disable-postcode-zipcode-validation-woocommerce-checkout.txt

add_filter( 'woocommerce_default_address_fields' , 'wc_override_postcode_validation' );
 
function wc_override_postcode_validation( $address_fields ) {
  $address_fields['postcode']['required'] = false;
  return $address_fields;
}