var tax={}; var number;
        number = $("#customerTax").val().replace(/[^0-9]+/g, '');
        if(type === "PJ"){
          tax.type = "CNPJ";
          tax.value = number;
          // tax = JSON.stringify(tax);
          console.log("PJ tax: ",tax);
          console.log("old: ", old.tax);
          if ((old.tax.type !== tax.type)||(old.tax.value !== tax.value)){
            console.log("Tax different: ",old.tax, tax);
            data.append("tax", JSON.stringify(tax));
          }
        }
        if(type === "PF"){
          tax.type = "CPF";
          tax.value = number;
          // tax = JSON.stringify(tax);
          console.log("PF tax: ",tax);
          console.log("old: ", old.tax);
          if ((old.tax.type !== tax.type)||(old.tax.value !== tax.value)){
            console.log("are different: ", old.tax, tax);
            data.append("tax", JSON.stringify(tax));
          }
        }