3. Where a resolution authority reduces to zero the principal amount of, or outstanding amount payable in respect of, a liability by means of the power referred to in Article 42(1), point (g), that liability and any obligations or claims arising in relation to it that are not accrued at the time when the power is exercised shall be treated as discharged for all purposes, and shall not be provable in any subsequent proceedings in relation to the undertaking under resolution or any successor entity in any subsequent winding-up.