Oklahoma, USA, regional Obligatory referendum [LOR] - Submission to vote - Amendments to constitution

SECTION XXIV-1
Amendments proposed by Legislature - Submission to vote.
Any amendment or amendments to this Constitution may be proposed in either branch of the Legislature, and if the same shall be agreed to by a majority of all the members elected to each of the two (2) houses, such proposed amendment or amendments shall, with the yeas and nays thereon, be entered in their journals and referred by the Secretary of State to the people for their approval or rejection, at the next regular general election, except when the Legislature, by a two-thirds (2/3) vote of each house, shall order a special election for that purpose. If a majority of all the electors voting on any proposed amendment at such election shall vote in favor thereof, it shall thereby become a part of this Constitution.
No proposal for the amendment or alteration of this Constitution which is submitted to the voters shall embrace more than one general subject and the voters shall vote separately for or against each proposal submitted; provided, however, that in the submission of proposals for the amendment of this Constitution by articles, which embrace one general subject, each proposed article shall be deemed a single proposal or proposition.

SECTION XXIV-2
Constitutional convention to propose amendments or new constitution.
(..)
any amendments, alterations, revisions, or new Constitution, proposed by such convention, shall be submitted to the electors of the State at a general or special election and be approved by a majority of the electors voting thereon, before the same shall become effective: Provided, That the question of such proposed convention shall be submitted to the people at least once in every twenty years.

References: Constitution of the State of Oklahoma 1907 (accessed 8 August 2017)

To amend, alter, revise or to have a new constitution