46 125. (a) The representatives of the Pyithu Hluttaw shall take an affirmation of office as mentioned in Schedule Four before the Chairperson of the Pyithu Hluttaw at the first regular session of the Pyithu Hluttaw. (b) The representatives of the Pyithu Hluttaw who have not taken an affirmation of office shall do so before the Speaker of the Hluttaw at the session of the Pyithu Hluttaw at which they first attend. 126. The Speaker of the Pyithu Hluttaw shall convene the regular session at least once a year. The maximum interval between regular sessions shall not exceed 12 months. 127. The following functions shall be carried out at the Pyithu Hluttaw session : (a) recording the address delivered by the President; (b) reading and recording the message sent by the President and other messages permitted by the Speaker; (c) submitting, discussing and resolving on a Bill; (d) discussing and resolving on the matters to be undertaken by the Pyithu Hluttaw in accord with the provisions of the Constitution; (e) discussing, resolving and recording the reports submitted to the Pyithu Hluttaw; 128. (f) submitting proposals, discussing and resolving; (g) raising questions and replying; (h) performing matters approved by the Speaker of the Pyithu Hluttaw. (a) The first day session of the Pyithu Hluttaw shall be valid if more than half of the total number of the Hluttaw representatives, who have the right to attend the session, are present. The session, if invalid, shall be adjourned.