Section 617.190 - Devices modifying liability void1. Except as otherwise provided for in this chapter, no contract of employment, insurance, relief benefit, indemnity, or any other device, shall modify, change or waive any liability created by this chapter.2. A contract of employment, insurance, relief benefit, indemnity, or other device having for its purpose the waiver or modification of the terms of liability created by this chapter shall be void.