How does the application work at a high level, what rights does the family member receive, how long does the status last, and how can it become independent or longer-term where officially stated?
The supported spouse and children are granted Designated Activities (spouse of J-Find, etc.) and can accompany; to be employed they need permission to engage in activity other than that permitted by their status. The official source does not state the application process, the family member's period of stay or a path to independent status.
See recorded sources
Limits of the record- Period of stay for the family member and any route to independent status are not stated.
- https://www.moj.go.jp/isa/content/001401538.pdf
Spouse and children to be supported are granted a status of residence of “Designated Activities”(spouse of J-
Find, etc.) and can accompany. In addition, permission to engage in an activity other than those permitted by the
status of residence previously granted is required for the spouse or children to be employed.