Concessionality level is very similar in concept to the 'grant element' used by the Development Assistance Committee (DAC) of the OECD. In the case of grants, it is 100 %. In the case of loans, it is the difference between the nominal value of the loan and the discounted present value of the future debt service payments to be made by the borrower, expressed as a percentage of the nominal value of the loan, and is calculated in accordance with the method of calculating the grant element used by the DAC, except that: ...
(ii) the base date for the calculation of the concessionality level is the starting point as defined in paragraph 24 (l)...