Oregon Revised Statutes Education and Culture § 343.152

(1) An individualized education program may not use the words “retardation” or “mental retardation” to refer to a child with an intellectual disability.

(2) If an individualized education program developed, reviewed or revised before, on or after June 28, 2011, uses the words “retardation” or “mental retardation,” those words shall be substituted with other words designating “intellectual disability” wherever those words occur in the individualized education program.