La. Const. art. XIV, § 27 – Legislative Provisions

(A) President of Senate. The lieutenant governor in office on the effective date of this constitution shall continue to serve as president of the Senate until his term expires in 1976.
(B) First Session. The provisions of Article III of this constitution shall become effective for the first session of the legislature to be held in 1975 and each session thereafter. However, in 1976, the legislature shall convene in regular session at twelve o'clock noon on the second Monday in May, at which time the members elected at the statewide election in 1976 shall take office; otherwise, the legislature shall conduct that session as provided in Article III of this constitution.
(C) Legislative Auditor. The legislative auditor shall continue to exercise the powers and perform the functions set forth in Article VI, Section 26(2)* of the Constitution of 1921 until otherwise provided by law.
(D) Legislative Reapportionment. The requirement for legislative reapportionment in Section 6 of Article III of this constitution shall apply to the reapportionment of the legislature following the decennial census of 1980, and thereafter.
*See, now, LSA-R.S. 24:511 et seq.