1998—Pub. L. 105–291 substituted “a simple majority” for “eleven”.

1968—Pub. L. 90–497 inserted a quorum requirement, provided that a quorum of the legislature consist of eleven of its members, and made presence of a quorum requisite to passage of a law.

Pub. L. 90–497, § 6(b), Sept. 11, 1968, 82 Stat. 846, provided that the amendment made by that section is effective on date of enactment of Pub. L. 90–497, which was approved Sept. 11, 1968.