http://www.legislation.gov.uk/id/uksi/1993/98

PART VDETERMINATION OF LIABILITIES

Rates of mortality and disability41.

The amount of the liability in respect of any category of contract shall, where relevant, be determined on the basis of appropriate rates of mortality and disability that take into account—

(a)

relevant published tables of rates of mortality and disability, and

(b)

the rates of mortality and disability experienced in connection with any similar contracts issued by the society in the past.