A waiver is defined as the

A waiver is the intentional and voluntary relinquishment of a known right. In insurance, waiver can occur when a party with the right to enforce a condition or requirement knowingly gives up that right through words, conduct, or inaction. It is not merely acceptance of policy terms, because acceptance relates to contract formation. It is not misrepresentation, which involves false or misleading statements. It is also not simply modification of a right, because waiver means giving the right up, not changing it. This is a core insurance-contract doctrine and appears in the Pennsylvania Title Insurance exam outline under General Insurance Concepts, specifically legal interpretations affecting contracts, waiver, and estoppel.