Code-Snippets-Functions/Execute a function on a child site/WooCommerce/force-state-county-field-to-be-required-in-shipping-calculator.txt

jQuery(function($){
    $('#calc_shipping_city, #calc_shipping_postcode').prop('required', true);

    $(document.body).on('change', 'form.woocommerce-shipping-calculator', function(){
        $('#calc_shipping_state').prop('required', true);
    });
} );