(a) Any bill, resolution, or memorial shall be subject to amendment, but all amendments shall relate to the same subject as the original bill, resolution, or memorial. Any amendment offered to a pending amendment or as a substitute for a pending amendment must be germane to the subject of the pending amendment.
(b) All substantial amendments shall be printed, and all House and Senate bills which have been substantially amended shall be reprinted on order of the Speaker and laid upon the desks of the members before final vote is taken.