Official source page 35

t any joint sitting of the Senate and House of Representatives - e President of Senate shall preside, and in his absence the Speaker of the House of Representatives shall preside; and the absence of the persons mentioned in paragraph (a) of this subsection, the Deputy President of the Senate shall preside, and in his absence the Deputy ker of the House of Representatives shall preside. the absence of the persons mentioned in the foregoing provisions of this section, such member of the Senate or the House of Representatives or o g, as the case may be, as the Senate or the House of Representatives or the joint sitting may elect for that purpose shall preside. The quorum of the Senate or of the House of Representatives shall be one-third of all the members on of the Legislative House concerned. he quorum of a joint sitting of both the Senate or of the House of Representatives shall be one-third of all the members of both Houses. objection is taken by any member of the Senate or the House of Representatives present that there are present in the House of which he is a member (besi erson presiding fewer than one-third of all the members of that House and that it is not competent for the House to transact business, and after such interva y be prescribed in the rules of procedure of the House, the person presiding ascertains that the number of members present is still less than one embers of the House he shall adjourn the House. he foregoing provisions of this section shall apply in relation to a joint sitting of both Houses of the National Assembly as they apply in relation to a Hous National Assembly as if references to the Senate or the House of Representatives and a member of either Houses are references to both Houses and to an ber of the National Assembly, respectively. he business of the National Assembly shall be conducted in English, and in Hausa, Ibo and Yoruba when adequate arrangements have been made therefor Except as otherwise provided by this Constitution any question proposed for decision in the Senate or the House of Representatives shall be determined quired majority or the members present and voting; and the person presiding shall cast a vote whenever necessary y to avoid an equality of votes but shall ote in any other case. xcept as otherwise provided by this Constitution, the required majority for the purpose of determining any question shall be a simple majority. he Senate or the House of Representatives shall by its rules provide - at a member of the House shall declare any direct pecuniary interest he may have in any matter coming before the House for deliberation; at the House may by resolution decide whether or not such member may vote, or participate in its deliberations, on such matter; e penalty, if any, which the House may impose for failure to declare any direct pecuniary interest such member may have; and` r such other matters pertaining to the foregoing as the House may think necessary, othing in the foregoing provisions shall enable any rules to be made to require any member, who signifies his intention not to vote on or participate in such r, and who does not so vote or participate, to declare any such interest. ny person who sits or votes in the Senate or the House of Representatives knowing or having reasonable grounds for knowing that he is not entitled to do mits an offence and is liable on conviction to such punishment as shall be prescribed by an Act of the National Assembly. The power of the National Assembly to make laws shall be exercised by bills passed by both the Senate and the House of Representatives and, except as wise provided by subsection (5) of this section, assented to by the President. bill may originate in either the Senate or the House of Representatives and shall not become law unless it has been passed and, except as otherwise provid s section and section 59 of this Constitution, assented to in accordance with the provisions of this section.