Washington Application for State Plan Insignia for Recreational Vehicles and Recreational Park Trailers is a certification program designed for recreational vehicles and recreational park trailers that are manufactured in Washington state. This program provides a mark of certification to ensure that the recreational vehicle or recreational park trailer meets the safety requirements of the Washington State Patrol. The Washington Application for State Plan Insignia for Recreational Vehicles and Recreational Park Trailers includes two types of certification: 1. Washington State Plan Insignia for Recreational Vehicles: This certification is for recreational vehicles that are manufactured in Washington state. This program requires the recreational vehicle to be inspected and tested by the Washington State Patrol and to meet the requirements of the Washington State Patrol's Recreational Vehicle Safety Inspection Program. 2. Washington State Plan Insignia for Recreational Park Trailers: This certification is for recreational park trailers manufactured in Washington state. This program requires the recreational park trailer to be inspected and tested by the Washington State Patrol and to meet the requirements of the Washington State Patrol's Recreational Park Trailer Safety Inspection Program. The Washington Application for State Plan Insignia for Recreational Vehicles and Recreational Park Trailers is intended to ensure the safety of recreational vehicles and recreational park trailers used in Washington state. This program is administered by the Washington State Patrol and is run in accordance with the Washington State Recreational Vehicle and Recreational Park Trailer Safety Regulations.