Check these links for related information

Building Codes Division, State of Oregon
Construction Contractors Board, State of Oregon
Dealer Licensing Rules
Energy Efficiency: Super Good Cents/Natural Choice
Idaho Manufactured Housing Association
LCDC Rural Residential Land Use Rule, State of Oregon
Legislature, State of Oregon/Bills and Laws
Legislature, State of Oregon/Find Your Legislator
Manufactured Home Parks in Oregon, Directory
MHI/Manufactured Housing Institute
MHI/Modern Homes Magazine
Motor Carrier Transportation Division, State of Oregon
Northwest Housing Association (WA)
Northwest Pride
Oregon Manufactured Dwelling and Park Specialty Code (2002)