Link:
Reforms to Oregon's Initiative and Referendum Laws (2007)
Links:
[1] http://www.sos.state.or.us/elections/hb2082_changes.pdf
[2] http://www.progressivestates.org/tags/policy-model
[3] http://www.progressivestates.org/tags/issue/165
[4] http://www.progressivestates.org/tags/state/38
[5] http://www.progressivestates.org/tags/election-reform