Washington Pension Benefits Questionnaire is a document used by employers in the State of Washington to provide information to employees about their pension benefits. The questionnaire provides an employee with an overview of their pension plan, including the type of plan, the contributions required by the employer and employee, and the vesting of benefits. It also provides information on the pension plan's investment options, fees, and other important details. The main types of Washington Pension Benefits Questionnaire are the Traditional Pension Benefits Questionnaire, the Defined Benefit Pension Benefits Questionnaire, the Defined Contribution Pension Benefits Questionnaire, and the Public Employees Retirement System Benefits Questionnaire.