In legislative procedure, a rider is an additional provision added to a bill or other measure under the consideration by a legislature, which may or may not have much, if any, connection with the subject matter of the bill.[1]
Some scholars identify riders as a specific form of logrolling,[2] or as implicit logrolling.[3] Others distinguish riders from logrolling.[4] Adding riders to legislation is not permitted in legislatures bound by a single-subject rule.[4][2]