WC_Tax::get_rate_label PHP Method

    public static function get_rate_label($key_or_rate)
    {
        global $wpdb;
        if (is_object($key_or_rate)) {
            $key = $key_or_rate->tax_rate_id;
            $rate_name = $key_or_rate->tax_rate_name;
        } else {
            $key = $key_or_rate;
            $rate_name = $wpdb->get_var($wpdb->prepare("SELECT tax_rate_name FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key));
        }
        if (!$rate_name) {
            $rate_name = WC()->countries->tax_or_vat();
        }
        return apply_filters('woocommerce_rate_label', $rate_name, $key);
    }

 /**
  * Get taxes, merged by code, formatted ready for output.
  *
  * @access public
  * @return void
  */
 public function get_tax_totals()
 {
     $taxes = $this->get_taxes();
     $tax_totals = array();
     foreach ($taxes as $key => $tax) {
         $code = $this->tax->get_rate_code($key);
         if (!isset($tax_totals[$code])) {
             $tax_totals[$code] = new stdClass();
             $tax_totals[$code]->amount = 0;
         }
         $tax_totals[$code]->is_compound = $this->tax->is_compound($key);
         $tax_totals[$code]->label = $this->tax->get_rate_label($key);
         $tax_totals[$code]->amount += $tax;
         $tax_totals[$code]->formatted_amount = woocommerce_price($tax_totals[$code]->amount);
     }
     return apply_filters('woocommerce_cart_tax_totals', $tax_totals, $this);
 }