Misfeasance

MEDICAL,USA: Improper performance of a lawful act, especially in a way that may cause damage or injury.
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UK: The improper performance of a lawful act, e.g. repairing a road negligently. Compare with non-feasance.
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The improper performance of an act, as distinct from nonfeasance.

Misrepresentation

(A) A statement made by an assured, reassured or broker which misleads an underwriter in the assessment of a risk he is being offered. A breach of good faith. (B) Act of making, issuing, circulating or causing to be issued or circulated an estimate, an illustration, a circular or a statement of any kind that does not represent the correct policy terms, dividends or share of surplus or the name or title for any policy or class of policies that does not in fact reflect its true nature.
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MEDICAL,USA: 1. Pertaining to an insurance application or insurance claim, appearance of a written or verbal falsehood or misleading statement. Such deceptions will cause voiding or rescinding an insurance policy or denying payment of a claim. 2. In Medicare fraud, to give an inaccurate or deliberate false account of services rendered, amounts charged for services rendered, identity of the person receiving the service, or dates of service.
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US: A false, incorrect, improper, or incomplete statement of a material fact, made in the application or claim process.
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Generally, misstatement of facts made on an application for insurance. May also be misstatement of coverage made by an agent to an insured.

Misrepresentation (of risk)

A misstatement of fact that is made by the insured or his broker to an underwriter during the negotiation of the placement, amendment or renewal of cover which causes the underwriter to grant, amend or renew cover on an incorrect basis of fact. If the misrepresentation is material the underwriter may avoid the contract on the basis that the insured has breached his duty of utmost good faith. Compare duty of disclosure.

Missing document indemnity

A transaction may depend upon a life insurance policy, share certificate or other document that is missing. An indemnity given by an insurer may enable the transaction to proceed as the insured is then covered against any loss resulting due to another person subsequently producing the document and basing a claim upon it.