House Rule H40-30. Cosponsors. (1) Prior to submitting legislation to the Chief Clerk for introduction, the chief sponsor may add representatives and senators as cosponsors by having them sign the legislation.
(2) After legislation is submitted for introduction but before the legislation returns from the first House committee, the chief sponsor may add or remove cosponsors by filing a cosponsor form with the Chief Clerk.
This filing must be noted by the Chief Clerk for the record on Order of Business No. 11.