diff --git a/services/registration/new_pin b/services/registration/new_pin
new file mode 100644
index 0000000..bae2814
--- /dev/null
+++ b/services/registration/new_pin
@@ -0,0 +1 @@
+Enter a new four number pin
diff --git a/services/registration/new_pin.vis b/services/registration/new_pin.vis
new file mode 100644
index 0000000..3790a08
--- /dev/null
+++ b/services/registration/new_pin.vis
@@ -0,0 +1,3 @@
+MOUT back 0
+HALT
+INCMP _ 0
diff --git a/services/registration/old_pin b/services/registration/old_pin
new file mode 100644
index 0000000..2c64d42
--- /dev/null
+++ b/services/registration/old_pin
@@ -0,0 +1 @@
+Enter your old PIN
diff --git a/services/registration/old_pin.vis b/services/registration/old_pin.vis
new file mode 100644
index 0000000..b0cbec2
--- /dev/null
+++ b/services/registration/old_pin.vis
@@ -0,0 +1,9 @@
+LOAD authorize_account 6
+MOUT back 0
+HALT
+RELOAD authorize_account
+CATCH incorrect_pin flag_incorrect_pin 1
+MOVE new_pin
+INCMP _ 0
+
+
diff --git a/services/registration/pin_management.vis b/services/registration/pin_management.vis
index ecd5a8c..196c1f5 100644
--- a/services/registration/pin_management.vis
+++ b/services/registration/pin_management.vis
@@ -4,3 +4,4 @@ MOUT guard_pin 3
 MOUT back 0
 HALT
 INCMP _ 0
+INCMP old_pin  1