If you are using Create or Assign actions for Numbered lists, try and incorporate a "code creation" action, as part of another process
1.05-04a Combination of Properties: If there is no code in the source, you will have to use combination of properties. Try and avoid if possible as this is slower to import and more difficult to use without a code
Related to Rule:
1.05-02 Always use a code
Best Practices article:
Questions on this topic? See 1.05-04 Numbered List should always have a code in our Planual forum.