Oklahoma constitution
Article VI: executive power
Section 14

In case of a disagreement between the two houses of the Legislature, at a regular or special session, with respect to the time of adjournment, the Governor may, if the facts be certified to him, by the presiding officer of the house first moving the adjournment, adjourn them to such time as he shall deem proper, not beyond the day of the next stated meeting of the Legislature. He may convoke the Legislature at or adjourn it to another place, when, in his opinion, the public safety or welfare, or the safety or health of the members require it: Provided, however, That such change or adjournment shall be concurred in by a two-thirds vote of all the members elected to each branch of the Legislature.