Updated：2026-09

How to Deduplicate a Draw List

Duplicate rows give one participant extra chances and are a common source of disputes. Choose a stable identifier such as a registration ID; a display name should be used for publication, not as the unique key.

Verify before freezing

Remove headers, blank rows and malformed values, check the deduplicated count, then freeze the snapshot. Open LE59 Luck to prepare the list.