The words behind The ISO 20022 migration timeline
Read the plain-language definition, then name the term it describes.
The stretch of time during which a network carries both the old message format and the new one, so no bank has to migrate on the same day as every other bank.
Step 1 of 4
This drill is built from The ISO 20022 migration timeline — it rearranges material written and sourced on that page rather than asserting anything new, so every claim in it is checkable there.