1. The capital requirement for fire risk shall be equal to the loss in basic own funds of insurance and reinsurance undertakings that would result from an instantaneous loss of an amount equal to the sum insured by the insurance or reinsurance undertaking with respect to the largest fire risk concentration.

2. The largest fire risk concentration of an insurance or reinsurance undertaking is the set of buildings with the largest sum insured, after deduction of the amounts that the insurance or reinsurance undertaking can recover from reinsurance contracts and special purpose vehicles, that meets all of the following conditions:

(a) the insurance or reinsurance undertaking has insurance or reinsurance obligations in lines of business 7 and 19 set out in Annex I, in relation to each building which cover damage due to fire or explosion, including as a result of terrorist attacks;

(b) all buildings are partly or fully located within a radius of 200 meters.

In determining the sum insured for a set of buildings, insurance and reinsurance undertakings shall only take into account reinsurance contracts and special purpose vehicles that would pay out in the event of insurance claims related to that set of buildings. Reinsurance contracts and special purpose vehicles where payout is dependent on insurance claims that are not related to that set of buildings shall not be taken into account.