residence report
Official document that foreign residents in Japan must submit to notify their place of residence. Often used in administrative contexts.
When you come to Japan, please submit a residence report at the municipal office.
在留届 is a notification of residence filed by Japanese nationals living abroad, whereas 変更届 is a general-purpose form for reporting any change in registered details.
Compound of 在留 (ざいりゅう, 'residing') and 届 (とどけ, 'notification').