✓ In Re Athlumney (1898) 2 Q.B. 547, Wright J opined thus:-“Perhaps no rule of construction is more firmly established than this, that a retrospective operation is not to be given to a statute so as to impair an existing right or obligation, otherwise than as regards a matter of procedure, unless that effect cannot be avoided without doing violence to the language of the enactment; If the enactment is expressed in a language that is fairly capable of either interpretation, it ought to be construed as prospective only.”
INTERPRETATION OF SECTION 137(1)(D) OF THE 1999 CONSTITUTION
The Petitioners have centered their contention on the provisions of Section 137(1)(d) of the 1999 Constitution which reads as follows: “137(1) A person shall not be qualified for election to the office of President if – (d) he is under a sentence of death imposed by any competent court of law or tribunal in Nigeria...