1095-B RESPONSIBILITY MATRIX Arrangement / reporting year / reporting provider / form-family determination / reviewer: PARTIES Sponsor / insurer if applicable / enrollment administrator / preparer / transmitter / recipient contact: WORK ROW Task | accountable party | performing party | input | deliverable | receiving contact | unresolved escalation | substitute Include determination, enrollment supply, mapping, source exceptions, approval, release, outcome retrieval, recipient requests and corrections. FICTIONAL MAPLE BASIN 400 covered people / 160 reviewed statement groups / 5 people with unresolved effective dates. Enrollment owner confirms dates; sponsor reviewer approves treatment; preparer maps; transmitter receives approved version. EVIDENCE Source snapshot / approved output / actual receipt and acknowledgment / recipient follow-up: Contract or service dependency / historical access / provider transition owner: Review date / changed arrangement or source / unresolved decision: