Flag of Convenience

Every State, whether coastal or not, has the right to sail ships under its flag on the high seas. Each State fixes the conditions for the grant of its nationality to ships for the registration of ships in the territory and for the right of fly its flag. Ships have the nationality of the state whose flag they are entitled to fly. Flags of convenience are the national flags of those States with whom ship-owners register their vessels.

Flare-up

In workers’ compensation cases, this phrase is sometimes used to refer to a recurrence of an industrial injury or illness and refers specifically to the symptoms that are considered to be related to the natural course of the previous injury or illness and not to a new injury from current employment.

Flash drought –

A rapid onset and intensification of a drought. The combination of abnormally high temperatures (heat waves) combined with increased wind speeds, greater solar radiation, and lower-than-normal rates of precipitation can rapidly affect the local climate. It is often tied to La Nina events and typically occurs during the warm season in the central U.S. Economic damages can be significant.

Flat amount formula

Mathematical method used to determine the retirement benefit for participants in a defined benefit pension plan (DBPP). This type of formula gives the same monthly or annual benefit amount to each retiree (e.g., $700 per month).

Flat cancellation

A policy cancelled on the effective date. Usually, no premiums have been paid.
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REFERENCE: See: Cancellation.
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US: The cancellation of an insurance policy or bond as of its effective date, before the insurer has assumed liability. This requires the return of paid premium in full since the insured has never been covered under the policy.
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When liabilities have not existed thereunder, policies may be cancelled free of any charge to the insured. Such terminations are knows as flat cancellations.