...
validate person.id UUID
in case error return
404
search person by person.id in MPI or person.is_active = false
in case error return
404
, "Such person doesn't exist"
validate that person is active ( person.status = active)
in case error return
422
409
, "Such person isn't active"
validate that auth_method is active ( person.auth_method.ended_at > now())
in case error return
422
, “Authentication method isn’t active”
...