Recovery-right evidence Waiver of Subrogation on a COI: Evidence and Contractor Workflow A waiver-of-subrogation request should be separated by policy line, protected party, project, and required evidence. A certificate indicator alone should not be treated as if it rewrites the policy. By COI Workbench Editorial Team · Reviewed September 2026 · General U.S. guidance Keep … Read more
Document roles Certificate of Insurance vs. Endorsement: Which Documents Do Clients Need? A certificate is a useful summary. An endorsement is part of the policy. Treating them as interchangeable is one of the fastest ways to send an incomplete insurance package. Reviewed September 2026 · Educational information, not insurance or legal advice Core distinction: a … Read more
COI dates explained COI Issue Date vs. Policy Effective Date: What Is the Difference? No. The COI issue date is when the certificate was prepared; the policy effective date is when the listed policy period begins. They can happen to be the same day, but issuing a new certificate does not start, renew, or change … Read more
COI field guide How to Read a Certificate of Insurance: A Field-by-Field Guide A certificate of insurance is easier to review when you treat it as a structured summary rather than a single approval document. Read the identity, policy period, coverage, limits, recipient, and supporting-evidence sections separately. By COI Workbench Editorial Team · Reviewed September … Read more