TIN MATCHING EVENT LOG
Fields:
event_id
batch_id
recipient_key
payer_key
matching_purpose
authorized_user_or_agent
source_document_version
submitted_input_reference
submitted_at
result_at
raw_result_reference
raw_code
internal_action
resolution_source
next_event_id
final_filing_data_reference

ACCESS/RETENTION DECISIONS
Protected input/result storage:
Working-log access roles:
Full-evidence access roles:
Access owner:
Applicable retention requirements and sources:
Retention start event:
Review/disposal date:
Open notice or hold:

RETRIEVAL CHECK
[ ] Exact source and submitted input recoverable.
[ ] Raw response preserved.
[ ] Unresolved attempts included.
[ ] Later source changes create linked events.
[ ] Final filing identity connected to reviewed version.
[ ] Full TIN not used as ordinary visible key.
Test event and reviewer/date: