One of the duties of being a landlord in Japan is to file a death notice if your tenant dies, but only if there are no cohabitating family members or other cohabitants to do so. 

第八十七条左の者は、その順序に従つて、死亡の届出をしなければならない。但し、順序にかかわらず届出をすることができる。
Article 87(1)In  accordance with the following order, one of the following persons shall  submit a notification of death; provided, however, that any of them may  submit the notification, irrespective of such order:
第一　同居の親族
First: a relative who was a member of the same household;
第二　その他の同居者
Second: any other person who was a member of the same household; and
第三　家主、地主又は家屋若しくは土地の管理人
Third: the owner or manager of the house in which or land on which the deceased person resided.
２死亡の届出は、同居の親族以外の親族、後見人、保佐人、補助人及び任意後見人も、これをすることができる。
(2)A  notification of death may also be submitted by a relative other than  one who was a member of the same household, and may be made by the  guardian, curator, assistant, and voluntary guardian of the deceased  person.