Senate Rule S50-50. Precedence of motions. (1) When a question is under debate only the following privileged and subsidiary motions may be made:
(a) to adjourn (nondebatable S50-60);
(b) for a call of the Senate (nondebatable S50-60);
(c) to recess (nondebatable S50-60);
(d) question of privilege;
(e) to lay on the table (nondebatable S50-60);
(f) for the previous question (nondebatable S50-60);
(g) to postpone to a certain day;
(h) to refer or commit;
(i) to amend; and
(j) to postpone indefinitely.
(2) The motions listed in subsection (1) have precedence in the order listed.
(3) A question may be indefinitely postponed by a majority roll call of all Senators present and voting. When a bill or resolution is postponed indefinitely, it is finally rejected and may not be acted upon again except upon a motion of reconsideration as provided in S50-90.
(4) A motion or proposition on a subject different from that under consideration may not be accepted unless a substitute motion is in order.