Measures 54, 55, 56, and 62 were amendments to the Oregon Constitution.

It has three branches, called departments by the Oregon Constitution:

This measure, which was passed with 62% approval, placed the kicker law into the Oregon Constitution.

He launched a petition drive to pass an open primary amendment to the Oregon Constitution in 1975.

The Oregon Constitution originally had no provision for a death penalty.

Measure 9 would have added the following text to the Oregon Constitution:

The Oregon Constitution is easier to amend than its federal counterpart.

The measure amended the Oregon Constitution and was passed by the voters.

Such a change would require an amendment to the Oregon Constitution.

The Oregon Constitution allows for a broader right to free speech than at the federal level including the topic of political campaign donations.