The most likely reason for a place to have an alternative place ID is if your application adds a place and receives
an application-scoped place ID, then later receives a Google-scoped place ID after passing the moderation process.
scope
scope
The scope of an alternative place ID will always be APP,
indicating that the alternative place ID is recognised by your application only.
The most likely reason for a place to have an alternative place ID is if your application adds a place and receives an application-scoped place ID, then later receives a Google-scoped place ID after passing the moderation process.