3.The Union financial assistance shall be made available by the Commission to Portugal in a maximum of 14 instalments. An instalment may be disbursed in one or several tranches. The maturities of the tranches under the first and second instalment may be longer than the maximum average maturity referred to in paragraph 1. In such cases, the maturities of further tranches shall be set so that the maximum average maturity referred to in paragraph 1 be achieved once all instalments have been disbursed.