Rule 5.7. Limits on debate
A. No member shall speak more than twice during debate on the same question, nor more than one-quarter of an hour on each occasion, without leave of the House, nor more than once until every member choosing to speak shall have spoken. The author of a legislative instrument, if it originated in the House, and the member handling the instrument, if it originated in the Senate, shall have the right to open and close the debate or to designate a member or members to represent him. Closing debate shall be limited to fifteen minutes.
B. A member may yield part of his allotted time to another member only upon closing remarks in a debate.
Mason's Manual: Sec. 80(3), 102, and 355-361
HR 3, 1973; HR 4, 1st Ex. Sess., 1988.