diff --git a/src/stops-import/process-zones-from-import.txt b/src/stops-import/process-zones-from-import.txt
new file mode 100644
index 0000000..242a255
--- /dev/null
+++ b/src/stops-import/process-zones-from-import.txt
@@ -0,0 +1,18 @@
+@startuml
+start
+repeat
+  :split record into fields;
+  if (field number greater 5) then (yes)
+    if (Is record a duplicate?) then (yes)
+      :?;
+      :add record to tmp map;
+    else (no)
+      :add record to tmp map;
+    endif
+  else (no)
+    :?;
+  endif
+repeat while (next zone record?) is (yes)
+->no;
+end
+@enduml