Start with the facts
Identify who initiated the event, why work or earnings stopped, and which event happened first.
Confirm the result
roe.help can narrow the list, but an authorized preparer must select and explicitly confirm the code.
Example
an ordinary end of contract with no more work commonly starts in the shortage-of-work family.
Boundary or exception
Unusual facts, disputes and overlapping reasons should be checked against the official guide rather than forced into a suggestion.
Source state
Sources and dependent product claims reviewed July 30, 2026. First-party Canadian-French editorial review is complete. Accountable payroll-domain sign-off remains required before any certification claim; independent linguistic validation remains recommended.