Precondition: Two or more records in the TIER Entity Registry are determined to actually refer to the same 'actual' person.
Search/Match, a service of the Entity Registry
(Restatement of #3 from New person from institutional source)
1. Invoker supplies one partial or complete record containing one or more identifiers or attributes.
2. A search is performed in the Entity Registry against existing records.
2a. If exactly one exact match is found, a response is sent containing or pointing to the matching record.
2b. If more than one exact match is found, or one or more partial matches are found, send to the Person Record Verificiation Workflow to be resolved asynchronously.
2c. If no matches are found, create the record and perform actions that are triggered on creation.