Permanent healthU.K.
IV. Contracts of insurance providing specified benefits against risks of persons becoming incapacitated in consequence of sustaining injury as a result of an accident or of an accident of a specified class or of sickness or infirmity, being contracts that—
(a)are expressed to be in effect for a period of not less than five years, or until the normal retirement age for the persons concerned, or without limit of time; and
(b)either are not expressed to be terminable by the insurer, or are expressed to be so terminable only in special circumstances mentioned in the contract.