"Referendum" is a general term which refers to a measure that appears on the ballot. There are two primary types of referenda: the legislative referendum, whereby the Legislature refers a measure to the voters for their approval, and the popular referendum, a measure that appears on the ballot as a result of a voter petition drive. The popular referendum is similar to the initiative in that both are triggered by petitions, but there are important differences. Legislatures are often required to refer certain measures t…
