change of address certificate
Official document issued when moving out of a municipality, required for completing a move-in registration at the new municipality.
I had a change of address certificate issued at the city hall.
When submitting a move-in notification, you need a change of address certificate from your previous municipality.
転入届 is the move-in notification submitted at the new municipality, while 転出証明 is the certificate obtained from the old municipality to accompany it.
Compound of 転出 (moving out) and 証明 (certificate).