The capital requirement for revision risk referred to in Article 105(3)(e) of Directive 2009/138/EC shall be equal to the loss in basic own funds of insurance and reinsurance undertakings that would result from an instantaneous permanent increase of 3 % in the amount of annuity benefits only on annuity insurance and reinsurance obligations where the benefits payable under the underlying insurance policies could increase as a result of changes in the legal environment or in the state of health of the person insured.