1. Insurance and reinsurance undertakings may, subject to prior approval by their supervisory authority, apply a transitional adjustment to the relevant risk-free interest rate term structure with respect to admissible insurance and reinsurance obligations.
2. For each currency the adjustment shall be calculated as a portion of the difference between:
(a) the interest rate as determined by the insurance or reinsurance undertaking in accordance with the laws, regulations and administrative provisions which are adopted pursuant to Article 20 of Directive 2002/83/EC at the last date of the application of that Directive;
(b) the annual effective rate, calculated as the single discount rate that, where applied to the cash flows of the portfolio of admissible insurance and reinsurance obligations, results in a value that is equal to the value of the best estimate of the portfolio…