The immunity conferred by the provisions of paragraph (1) of this Article shall not apply to any proceedings in any court in relation to the exercise of any power pertaining to any subject or function assigned to the President or remaining in his charge under paragraph (2) of Article 44 or to proceedings in the Supreme Court under paragraph (2) of Article 129 or to proceedings in the Supreme Court under Article 130(a) relating to the election of the President or the validity of a referendum or to proceedings in the Court of Appeal under Article 144 or in the Supreme Court, relating to the election of a Member of Parliament: Provided that any such proceedings in relation to the exercise of any power pertaining to any such subject or function shall be instituted against the Attorney-General.]