diff --git a/handlers/handlers.go b/handlers/handlers.go
new file mode 100644
index 0000000..63c8f6e
--- /dev/null
+++ b/handlers/handlers.go
@@ -0,0 +1,289 @@
+package handlers
+
+import (
+	"bytes"
+	"encoding/json"
+	"encoding/xml"
+	"io"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/tarm/serial"
+
+	"gitea.futuresens.co.uk/futuresens/cmstypes"
+	"gitea.futuresens.co.uk/futuresens/hardlink/dispenser"
+	"gitea.futuresens.co.uk/futuresens/hardlink/lockserver"
+	"gitea.futuresens.co.uk/futuresens/hardlink/payment"
+	"gitea.futuresens.co.uk/futuresens/hardlink/printer"
+	"gitea.futuresens.co.uk/futuresens/logging"
+	log "github.com/sirupsen/logrus"
+)
+
+const (
+	customLayout   = "2006-01-02 15:04:05 -0700"
+	transactionUrl = "http://127.0.0.1:18181/start-transaction/"
+)
+
+type App struct {
+	dispPort   *serial.Port
+	lockserver lockserver.LockServer
+	isPayment  bool
+}
+
+func NewApp(dispPort *serial.Port, lockType, encoderAddress string, isPayment bool) *App {
+	return &App{
+		isPayment:  isPayment,
+		dispPort:   dispPort,
+		lockserver: lockserver.NewLockServer(lockType, encoderAddress, FatalError),
+	}
+}
+
+func (app *App) RegisterRoutes(mux *http.ServeMux) {
+	mux.HandleFunc("/issuedoorcard", app.issueDoorCard)
+	mux.HandleFunc("/printroomticket", app.printRoomTicket)
+	mux.HandleFunc("/starttransaction", app.startTransaction)
+}
+
+func (app *App) startTransaction(w http.ResponseWriter, r *http.Request) {
+	const op = logging.Op("startTransaction")
+	var (
+		theResponse       cmstypes.ResponseRec
+		cardholderReceipt string
+		theRequest        cmstypes.TransactionRec
+		trResult          payment.TransactionResultXML
+	)
+
+	theResponse.Status.Code = http.StatusInternalServerError
+	theResponse.Status.Message = "500 Internal server error"
+
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS")
+	w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+	w.Header().Set("Content-Type", "application/json")
+
+	if !app.isPayment {
+		theResponse.Data = payment.BuildFailureURL(payment.ResultError, "Payment processing is disabled")
+		writeTransactionResult(w, http.StatusServiceUnavailable, theResponse)
+		return
+	}
+
+	if r.Method == http.MethodOptions {
+		w.WriteHeader(http.StatusNoContent)
+		return
+	}
+
+	log.Println("startTransaction called")
+	if r.Method != http.MethodPost {
+		theResponse.Data = payment.BuildFailureURL(payment.ResultError, "Method not allowed; use POST")
+		writeTransactionResult(w, http.StatusMethodNotAllowed, theResponse)
+		return
+	}
+	defer r.Body.Close()
+
+	if ct := r.Header.Get("Content-Type"); ct != "text/xml" {
+		theResponse.Data = payment.BuildFailureURL(payment.ResultError, "Content-Type must be text/xml")
+		writeTransactionResult(w, http.StatusUnsupportedMediaType, theResponse)
+		return
+	}
+
+	body, _ := io.ReadAll(r.Body)
+	err := xml.Unmarshal(body, &theRequest)
+	if err != nil {
+		logging.Error(serviceName, err.Error(), "ReadXML", string(op), "", "", 0)
+		theResponse.Data = payment.BuildFailureURL(payment.ResultError, "Invalid XML payload")
+		writeTransactionResult(w, http.StatusBadRequest, theResponse)
+		return
+	}
+	log.Printf("Start trnasaction payload: Amount=%s, Type=%s", theRequest.AmountMinorUnits, theRequest.TransactionType)
+
+	client := &http.Client{Timeout: 300 * time.Second}
+	response, err := client.Post(transactionUrl, "text/xml", bytes.NewBuffer(body))
+	if err != nil {
+		logging.Error(serviceName, err.Error(), "Payment processing error", string(op), "", "", 0)
+		theResponse.Data = payment.BuildFailureURL(payment.ResultError, "No response from payment processor")
+		writeTransactionResult(w, http.StatusBadGateway, theResponse)
+		return
+	}
+	defer response.Body.Close()
+
+	body, err = io.ReadAll(response.Body)
+	if err != nil {
+		logging.Error(serviceName, err.Error(), "Read response body error", string(op), "", "", 0)
+		theResponse.Data = payment.BuildFailureURL(payment.ResultError, "Failed to read response body")
+		writeTransactionResult(w, http.StatusInternalServerError, theResponse)
+		return
+	}
+
+	if err := trResult.ParseTransactionResult(body); err != nil {
+		logging.Error(serviceName, err.Error(), "Parse transaction result error", string(op), "", "", 0)
+	}
+
+	// Compose JSON from responseEntries
+	result := make(map[string]string)
+	for _, e := range trResult.Entries {
+		switch e.Key {
+		case payment.ReceiptData, payment.ReceiptDataMerchant:
+			// ignore these
+		case payment.ReceiptDataCardholder:
+			cardholderReceipt = e.Value
+		case payment.TransactionResult:
+			theResponse.Status.Message = e.Value
+			theResponse.Status.Code = http.StatusOK
+			result[e.Key] = e.Value
+		default:
+			result[e.Key] = e.Value
+		}
+	}
+
+	if err := printer.PrintCardholderReceipt(cardholderReceipt); err != nil {
+		log.Errorf("PrintCardholderReceipt error: %v", err)
+	}
+
+	theResponse.Data = payment.BuildRedirectURL(result)
+	writeTransactionResult(w, http.StatusOK, theResponse)
+}
+
+func (app *App) issueDoorCard(w http.ResponseWriter, r *http.Request) {
+	const op = logging.Op("issueDoorCard")
+	var (
+		doorReq     lockserver.DoorCardRequest
+		theResponse cmstypes.StatusRec
+	)
+
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS")
+	w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+	w.Header().Set("Content-Type", "application/json")
+
+	if r.Method == http.MethodOptions {
+		w.WriteHeader(http.StatusNoContent)
+		return
+	}
+
+	log.Println("issueDoorCard called")
+	if r.Method != http.MethodPost {
+		writeError(w, http.StatusMethodNotAllowed, "Method not allowed; use POST")
+		return
+	}
+	defer r.Body.Close()
+
+	if ct := r.Header.Get("Content-Type"); ct != "application/json" {
+		writeError(w, http.StatusUnsupportedMediaType, "Content-Type must be application/json")
+		return
+	}
+
+	if err := json.NewDecoder(r.Body).Decode(&doorReq); err != nil {
+		logging.Error(serviceName, err.Error(), "ReadJSON", string(op), "", "", 0)
+		writeError(w, http.StatusBadRequest, "Invalid JSON payload: "+err.Error())
+		return
+	}
+
+	// parse times
+	checkIn, err := time.Parse(customLayout, doorReq.CheckinTime)
+	if err != nil {
+		logging.Error(serviceName, err.Error(), "Invalid checkinTime format", string(op), "", "", 0)
+		writeError(w, http.StatusBadRequest, "Invalid checkinTime format: "+err.Error())
+		return
+	}
+	checkOut, err := time.Parse(customLayout, doorReq.CheckoutTime)
+	if err != nil {
+		logging.Error(serviceName, err.Error(), "Invalid checkoutTime format", string(op), "", "", 0)
+		writeError(w, http.StatusBadRequest, "Invalid checkoutTime format: "+err.Error())
+		return
+	}
+
+	// dispenser sequence
+	if status, err := dispenser.DispenserSequence(app.dispPort); err != nil {
+		if status != "" {
+			logging.Error(serviceName, status, "Dispense error", string(op), "", "", 0)
+			writeError(w, http.StatusServiceUnavailable, "Dispense error: "+err.Error())
+		} else {
+			logging.Error(serviceName, err.Error(), "Dispense error", string(op), "", "", 0)
+			writeError(w, http.StatusServiceUnavailable, "Dispense error: "+err.Error()+"; check card stock")
+		}
+		return
+	} else {
+		log.Info(status)
+	}
+
+	// build lock server command
+	app.lockserver.BuildCommand(doorReq, checkIn, checkOut)
+
+	// lock server sequence
+	err = app.lockserver.LockSequence()
+	if err != nil {
+		logging.Error(serviceName, err.Error(), "Key encoding", string(op), "", "", 0)
+		writeError(w, http.StatusBadGateway, err.Error())
+		dispenser.CardOutOfMouth(app.dispPort)
+		return
+	}
+
+	// final dispenser steps
+	if status, err := dispenser.CardOutOfMouth(app.dispPort); err != nil {
+		logging.Error(serviceName, err.Error(), "Dispenser eject error", string(op), "", "", 0)
+		writeError(w, http.StatusServiceUnavailable, "Dispenser eject error: "+err.Error())
+		return
+	} else {
+		log.Info(status)
+	}
+
+	theResponse.Code = http.StatusOK
+	theResponse.Message = "Card issued successfully"
+	// success! return 200 and any data you like
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	json.NewEncoder(w).Encode(theResponse)
+}
+
+func (app *App) printRoomTicket(w http.ResponseWriter, r *http.Request) {
+	const op = logging.Op("printRoomTicket")
+	var roomDetails printer.RoomDetailsRec
+	// Allow CORS preflight if needed
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS")
+	w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+
+	if r.Method == http.MethodOptions {
+		w.WriteHeader(http.StatusNoContent)
+		return
+	}
+	log.Println("printRoomTicket called")
+	if r.Method != http.MethodPost {
+		writeError(w, http.StatusMethodNotAllowed, "Method not allowed; use POST")
+		return
+	}
+	if ct := r.Header.Get("Content-Type"); !strings.Contains(ct, "xml") {
+		writeError(w, http.StatusUnsupportedMediaType, "Content-Type must be application/xml")
+		return
+	}
+
+	defer r.Body.Close()
+	if err := xml.NewDecoder(r.Body).Decode(&roomDetails); err != nil {
+		logging.Error(serviceName, err.Error(), "ReadXML", string(op), "", "", 0)
+		writeError(w, http.StatusBadRequest, "Invalid XML payload: "+err.Error())
+		return
+	}
+
+	data, err := printer.BuildRoomTicket(roomDetails)
+	if err != nil {
+		logging.Error(serviceName, err.Error(), "BuildRoomTicket", string(op), "", "", 0)
+		writeError(w, http.StatusInternalServerError, "BuildRoomTicket failed: "+err.Error())
+		return
+	}
+
+	// Send to the Windows Epson TM-T82II via the printer package
+	if err := printer.SendToPrinter(data); err != nil {
+		logging.Error(serviceName, err.Error(), "printRoomTicket", "printRoomTicket", "", "", 0)
+		writeError(w, http.StatusInternalServerError, "Print failed: "+err.Error())
+		return
+	}
+
+	// Success
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	json.NewEncoder(w).Encode(cmstypes.StatusRec{
+		Code:    http.StatusOK,
+		Message: "Print job sent successfully",
+	})
+}
diff --git a/handlers/http_helpers.go b/handlers/http_helpers.go
new file mode 100644
index 0000000..640cb73
--- /dev/null
+++ b/handlers/http_helpers.go
@@ -0,0 +1,41 @@
+package handlers
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"os"
+
+	"gitea.futuresens.co.uk/futuresens/cmstypes"
+	"gitea.futuresens.co.uk/futuresens/logging"
+	log "github.com/sirupsen/logrus"
+)
+
+const serviceName = "hardlink"
+
+// writeError is a helper to send a JSON error and HTTP status in one go.
+func writeError(w http.ResponseWriter, status int, msg string) {
+	theResponse := cmstypes.StatusRec{
+		Code:    status,
+		Message: msg,
+	}
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	json.NewEncoder(w).Encode(theResponse)
+}
+
+func writeTransactionResult(w http.ResponseWriter, status int, theResponse cmstypes.ResponseRec) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	if err := json.NewEncoder(w).Encode(theResponse); err != nil {
+		logging.Error(serviceName, err.Error(), "JSON encode error", "startTransaction", "", "", 0)
+	}
+}
+
+func FatalError(err error) {
+	fmt.Println(err.Error())
+	log.Errorf(err.Error())
+	fmt.Println(". Press Enter to exit...")
+	fmt.Scanln()
+	os.Exit(1)
+}
diff --git a/main.go b/main.go
index e8c072e..4cb3771 100644
--- a/main.go
+++ b/main.go
@@ -1,11 +1,8 @@
 package main
 
 import (
-	"bytes"
-	"encoding/json"
 	"encoding/xml"
 	"fmt"
-	"io"
 	"net/http"
 	"os"
 	"os/exec"
@@ -20,19 +17,14 @@ import (
 	yaml "gopkg.in/yaml.v3"
 
 	"gitea.futuresens.co.uk/futuresens/hardlink/dispenser"
+	"gitea.futuresens.co.uk/futuresens/hardlink/handlers"
 	"gitea.futuresens.co.uk/futuresens/hardlink/lockserver"
-	"gitea.futuresens.co.uk/futuresens/hardlink/payment"
 	"gitea.futuresens.co.uk/futuresens/hardlink/printer"
-
-	"gitea.futuresens.co.uk/futuresens/cmstypes"
-	"gitea.futuresens.co.uk/futuresens/logging"
 )
 
 const (
-	buildVersion   = "1.0.21"
-	serviceName    = "hardlink"
-	customLayout   = "2006-01-02 15:04:05 -0700"
-	transactionUrl = "http://127.0.0.1:18181/start-transaction/"
+	buildVersion = "1.0.22"
+	serviceName  = "hardlink"
 )
 
 // configRec holds values from config.yml.
@@ -50,21 +42,6 @@ type configRec struct {
 	TestMode       bool   `yaml:"testMode"`
 }
 
-// App holds shared resources.
-type App struct {
-	configRec  configRec
-	dispPort   *serial.Port
-	lockserver lockserver.LockServer
-}
-
-func newApp(dispPort *serial.Port, config configRec) *App {
-	return &App{
-		configRec:  config,
-		dispPort:   dispPort,
-		lockserver: lockserver.NewLockServer(config.LockType, config.EncoderAddress, fatalError),
-	}
-}
-
 func main() {
 	// Load config
 	config := readConfig()
@@ -87,7 +64,7 @@ func main() {
 		dispenser.Address = []byte(config.DispenserAdrr)
 		dispHandle, err = dispenser.InitializeDispenser()
 		if err != nil {
-			fatalError(err)
+			handlers.FatalError(err)
 		}
 		defer dispHandle.Close()
 
@@ -95,7 +72,7 @@ func main() {
 		if err != nil {
 			if len(status) == 0 {
 				err = fmt.Errorf("%s; wrong dispenser address: %s", err, config.DispenserAdrr)
-				fatalError(err)
+				handlers.FatalError(err)
 			} else {
 				fmt.Println(status)
 				fmt.Println(err.Error())
@@ -130,33 +107,19 @@ func main() {
 	}
 
 	// Create App and wire routes
-	app := newApp(dispHandle, config)
+	app := handlers.NewApp(dispHandle, config.LockType, config.EncoderAddress, config.IsPayment)
 
 	mux := http.NewServeMux()
-	setUpRoutes(app, mux)
+	app.RegisterRoutes(mux)
 
 	addr := fmt.Sprintf(":%d", config.Port)
 	log.Infof("Starting HTTP server on http://localhost%s", addr)
 	fmt.Printf("Starting HTTP server on http://localhost%s", addr)
 	if err := http.ListenAndServe(addr, mux); err != nil {
-		fatalError(err)
+		handlers.FatalError(err)
 	}
 }
 
-func setUpRoutes(app *App, mux *http.ServeMux) {
-	mux.HandleFunc("/issuedoorcard", app.issueDoorCard)
-	mux.HandleFunc("/printroomticket", app.printRoomTicket)
-	mux.HandleFunc("/starttransaction", app.startTransaction)
-}
-
-func fatalError(err error) {
-	fmt.Println(err.Error())
-	log.Errorf(err.Error())
-	fmt.Println(". Press Enter to exit...")
-	fmt.Scanln()
-	os.Exit(1)
-}
-
 // setupLogging ensures log directory, opens log file, and configures logrus.
 // Returns the *os.File so caller can defer its Close().
 func setupLogging(logDir string) (*os.File, error) {
@@ -179,265 +142,6 @@ func setupLogging(logDir string) (*os.File, error) {
 	return f, nil
 }
 
-// writeError is a helper to send a JSON error and HTTP status in one go.
-func writeError(w http.ResponseWriter, status int, msg string) {
-	theResponse := cmstypes.StatusRec{
-		Code:    status,
-		Message: msg,
-	}
-	w.Header().Set("Content-Type", "application/json")
-	w.WriteHeader(status)
-	json.NewEncoder(w).Encode(theResponse)
-}
-
-func writeTransactionResult(w http.ResponseWriter, status int, theResponse cmstypes.ResponseRec) {
-	w.Header().Set("Content-Type", "application/json")
-	w.WriteHeader(status)
-	if err := json.NewEncoder(w).Encode(theResponse); err != nil {
-		logging.Error(serviceName, err.Error(), "JSON encode error", "startTransaction", "", "", 0)
-	}
-}
-
-func (app *App) startTransaction(w http.ResponseWriter, r *http.Request) {
-	const op = logging.Op("startTransaction")
-	var (
-		theResponse       cmstypes.ResponseRec
-		cardholderReceipt string
-		theRequest        cmstypes.TransactionRec
-	)
-
-	theResponse.Status.Code = http.StatusInternalServerError
-	theResponse.Status.Message = "500 Internal server error"
-
-	w.Header().Set("Access-Control-Allow-Origin", "*")
-	w.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS")
-	w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
-	w.Header().Set("Content-Type", "application/json")
-
-	if !app.configRec.IsPayment {
-		theResponse.Data = payment.BuildFailureURL(payment.ResultError, "Payment processing is disabled")
-		writeTransactionResult(w, http.StatusServiceUnavailable, theResponse)
-		return
-	}
-
-	if r.Method == http.MethodOptions {
-		w.WriteHeader(http.StatusNoContent)
-		return
-	}
-
-	log.Println("startTransaction called")
-	if r.Method != http.MethodPost {
-		theResponse.Data = payment.BuildFailureURL(payment.ResultError, "Method not allowed; use POST")
-		writeTransactionResult(w, http.StatusMethodNotAllowed, theResponse)
-		return
-	}
-	defer r.Body.Close()
-
-	if ct := r.Header.Get("Content-Type"); ct != "text/xml" {
-		theResponse.Data = payment.BuildFailureURL(payment.ResultError, "Content-Type must be text/xml")
-		writeTransactionResult(w, http.StatusUnsupportedMediaType, theResponse)
-		return
-	}
-
-	body, _ := io.ReadAll(r.Body)
-	err := xml.Unmarshal(body, &theRequest)
-	if err != nil {
-		logging.Error(serviceName, err.Error(), "ReadXML", string(op), "", "", 0)
-		theResponse.Data = payment.BuildFailureURL(payment.ResultError, "Invalid XML payload")
-		writeTransactionResult(w, http.StatusBadRequest, theResponse)
-		return
-	}
-	log.Printf("Start trnasaction payload: Amount=%s, Type=%s", theRequest.AmountMinorUnits, theRequest.TransactionType)
-
-	client := &http.Client{Timeout: 300 * time.Second}
-	response, err := client.Post(transactionUrl, "text/xml", bytes.NewBuffer(body))
-	if err != nil {
-		logging.Error(serviceName, err.Error(), "Payment processing error", string(op), "", "", 0)
-		theResponse.Data = payment.BuildFailureURL(payment.ResultError, "No response from payment processor")
-		writeTransactionResult(w, http.StatusBadGateway, theResponse)
-		return
-	}
-	defer response.Body.Close()
-
-	body, err = io.ReadAll(response.Body)
-	if err != nil {
-		logging.Error(serviceName, err.Error(), "Read response body error", string(op), "", "", 0)
-		theResponse.Data = payment.BuildFailureURL(payment.ResultError, "Failed to read response body")
-		writeTransactionResult(w, http.StatusInternalServerError, theResponse)
-		return
-	}
-
-	responseEntries, _ := payment.ParseTransactionResult(body)
-
-	// Compose JSON from responseEntries
-	result := make(map[string]string)
-	for _, e := range responseEntries {
-		switch e.Key {
-		case payment.ReceiptData, payment.ReceiptDataMerchant:
-			// ignore these
-		case payment.ReceiptDataCardholder:
-			cardholderReceipt = e.Value
-		case payment.TransactionResult:
-			theResponse.Status.Message = e.Value
-			theResponse.Status.Code = http.StatusOK
-			result[e.Key] = e.Value
-		default:
-			result[e.Key] = e.Value
-		}
-	}
-
-	if err := printer.PrintCardholderReceipt(cardholderReceipt); err != nil {
-		log.Errorf("PrintCardholderReceipt error: %v", err)
-	}
-
-	theResponse.Data = payment.BuildRedirectURL(result)
-	writeTransactionResult(w, http.StatusOK, theResponse)
-}
-
-func (app *App) issueDoorCard(w http.ResponseWriter, r *http.Request) {
-	const op = logging.Op("issueDoorCard")
-	var (
-		doorReq     lockserver.DoorCardRequest
-		theResponse cmstypes.StatusRec
-	)
-
-	w.Header().Set("Access-Control-Allow-Origin", "*")
-	w.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS")
-	w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
-	w.Header().Set("Content-Type", "application/json")
-
-	if r.Method == http.MethodOptions {
-		w.WriteHeader(http.StatusNoContent)
-		return
-	}
-
-	log.Println("issueDoorCard called")
-	if r.Method != http.MethodPost {
-		writeError(w, http.StatusMethodNotAllowed, "Method not allowed; use POST")
-		return
-	}
-	defer r.Body.Close()
-
-	if ct := r.Header.Get("Content-Type"); ct != "application/json" {
-		writeError(w, http.StatusUnsupportedMediaType, "Content-Type must be application/json")
-		return
-	}
-
-	if err := json.NewDecoder(r.Body).Decode(&doorReq); err != nil {
-		logging.Error(serviceName, err.Error(), "ReadJSON", string(op), "", "", 0)
-		writeError(w, http.StatusBadRequest, "Invalid JSON payload: "+err.Error())
-		return
-	}
-
-	// parse times
-	checkIn, err := time.Parse(customLayout, doorReq.CheckinTime)
-	if err != nil {
-		logging.Error(serviceName, err.Error(), "Invalid checkinTime format", string(op), "", "", 0)
-		writeError(w, http.StatusBadRequest, "Invalid checkinTime format: "+err.Error())
-		return
-	}
-	checkOut, err := time.Parse(customLayout, doorReq.CheckoutTime)
-	if err != nil {
-		logging.Error(serviceName, err.Error(), "Invalid checkoutTime format", string(op), "", "", 0)
-		writeError(w, http.StatusBadRequest, "Invalid checkoutTime format: "+err.Error())
-		return
-	}
-
-	// dispenser sequence
-	if status, err := dispenser.DispenserSequence(app.dispPort); err != nil {
-		if status != "" {
-			logging.Error(serviceName, status, "Dispense error", string(op), "", "", 0)
-			writeError(w, http.StatusServiceUnavailable, "Dispense error: "+err.Error())
-		} else {
-			logging.Error(serviceName, err.Error(), "Dispense error", string(op), "", "", 0)
-			writeError(w, http.StatusServiceUnavailable, "Dispense error: "+err.Error()+"; check card stock")
-		}
-		return
-	} else {
-		log.Info(status)
-	}
-
-	// build lock server command
-	app.lockserver.BuildCommand(doorReq, checkIn, checkOut)
-
-	// lock server sequence
-	err = app.lockserver.LockSequence()
-	if err != nil {
-		logging.Error(serviceName, err.Error(), "Key encoding", string(op), "", "", 0)
-		writeError(w, http.StatusBadGateway, err.Error())
-		dispenser.CardOutOfMouth(app.dispPort)
-		return
-	}
-
-	// final dispenser steps
-	if status, err := dispenser.CardOutOfMouth(app.dispPort); err != nil {
-		logging.Error(serviceName, err.Error(), "Dispenser eject error", string(op), "", "", 0)
-		writeError(w, http.StatusServiceUnavailable, "Dispenser eject error: "+err.Error())
-		return
-	} else {
-		log.Info(status)
-	}
-
-	theResponse.Code = http.StatusOK
-	theResponse.Message = "Card issued successfully"
-	// success! return 200 and any data you like
-	w.Header().Set("Content-Type", "application/json")
-	w.WriteHeader(http.StatusOK)
-	json.NewEncoder(w).Encode(theResponse)
-}
-
-func (app *App) printRoomTicket(w http.ResponseWriter, r *http.Request) {
-	const op = logging.Op("printRoomTicket")
-	var roomDetails printer.RoomDetailsRec
-	// Allow CORS preflight if needed
-	w.Header().Set("Access-Control-Allow-Origin", "*")
-	w.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS")
-	w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
-
-	if r.Method == http.MethodOptions {
-		w.WriteHeader(http.StatusNoContent)
-		return
-	}
-	log.Println("printRoomTicket called")
-	if r.Method != http.MethodPost {
-		writeError(w, http.StatusMethodNotAllowed, "Method not allowed; use POST")
-		return
-	}
-	if ct := r.Header.Get("Content-Type"); !strings.Contains(ct, "xml") {
-		writeError(w, http.StatusUnsupportedMediaType, "Content-Type must be application/xml")
-		return
-	}
-
-	defer r.Body.Close()
-	if err := xml.NewDecoder(r.Body).Decode(&roomDetails); err != nil {
-		logging.Error(serviceName, err.Error(), "ReadXML", string(op), "", "", 0)
-		writeError(w, http.StatusBadRequest, "Invalid XML payload: "+err.Error())
-		return
-	}
-
-	data, err := printer.BuildRoomTicket(roomDetails)
-	if err != nil {
-		logging.Error(serviceName, err.Error(), "BuildRoomTicket", string(op), "", "", 0)
-		writeError(w, http.StatusInternalServerError, "BuildRoomTicket failed: "+err.Error())
-		return
-	}
-
-	// Send to the Windows Epson TM-T82II via the printer package
-	if err := printer.SendToPrinter(data); err != nil {
-		logging.Error(serviceName, err.Error(), "printRoomTicket", "printRoomTicket", "", "", 0)
-		writeError(w, http.StatusInternalServerError, "Print failed: "+err.Error())
-		return
-	}
-
-	// Success
-	w.Header().Set("Content-Type", "application/json")
-	w.WriteHeader(http.StatusOK)
-	json.NewEncoder(w).Encode(cmstypes.StatusRec{
-		Code:    http.StatusOK,
-		Message: "Print job sent successfully",
-	})
-}
-
 // readConfig reads config.yml and applies defaults.
 func readConfig() configRec {
 	var cfg configRec
@@ -458,7 +162,7 @@ func readConfig() configRec {
 
 	if cfg.LockType == "" {
 		err = fmt.Errorf("LockType is required in %s", configName)
-		fatalError(err)
+		handlers.FatalError(err)
 	}
 	cfg.LockType = strings.ToLower(cfg.LockType)
 
@@ -477,12 +181,12 @@ func readTicketLayout() printer.LayoutOptions {
 	// 1) Read the file
 	data, err := os.ReadFile(layoutName)
 	if err != nil {
-		fatalError(fmt.Errorf("failed to read %s: %v", layoutName, err))
+		handlers.FatalError(fmt.Errorf("failed to read %s: %v", layoutName, err))
 	}
 
 	// 2) Unmarshal into your struct
 	if err := xml.Unmarshal(data, &layout); err != nil {
-		fatalError(fmt.Errorf("failed to parse %s: %v", layoutName, err))
+		handlers.FatalError(fmt.Errorf("failed to parse %s: %v", layoutName, err))
 	}
 
 	return layout
@@ -501,7 +205,7 @@ func startChipDnaClient() {
 
 	cmd, err := startClient()
 	if err != nil {
-		fatalError(err)
+		handlers.FatalError(err)
 	}
 
 	// Restart loop
diff --git a/payment/creditcall.go b/payment/creditcall.go
index bf22561..c0f3089 100644
--- a/payment/creditcall.go
+++ b/payment/creditcall.go
@@ -76,12 +76,11 @@ type (
 )
 
 // ParseTransactionResult parses the XML into entries.
-func ParseTransactionResult(data []byte) ([]EntryXML, error) {
-	var tr TransactionResultXML
+func (tr *TransactionResultXML) ParseTransactionResult(data []byte) error {
 	if err := xml.Unmarshal(data, &tr); err != nil {
-		return nil, fmt.Errorf("XML unmarshal: %w", err)
+		return fmt.Errorf("XML unmarshal: %w", err)
 	}
-	return tr.Entries, nil
+	return nil
 }
 
 // initMSSQL opens and pings the SQL Server instance localhost\SQLEXPRESS
diff --git a/release notes.md b/release notes.md
index 796a4f7..507f8de 100644
--- a/release notes.md	
+++ b/release notes.md	
@@ -2,6 +2,12 @@
 
 builtVersion is a const in main.go
 
+#### 1.0.23 - 20 October 2025
+moved handlers from main.go to handlers/handlers.go
+
+#### 1.0.22 - 20 October 2025
+added test mode into config file to allow testing without connecting to the dispenser
+
 #### 1.0.21 - 20 October 2025
 increased timeout for Salto lock server connection to 40 seconds