August 17, 2017 13:50 Updated Follow The variable percentage for employer contribution rates is set annually by the INPRS Board of Trustees. Related articles What are my retirement account investment options? What is the My Choice: Retirement Savings Plan? Are contribution amounts covering unfunded pension liability made to My Choice: Retirement Savings Plan accounts? Can someone walk me through the PERF Hybrid and My Choice: Retirement Savings Plan options? What's the timeframe for employers to submit employee contributions?