…that employees, in Texas, can waive coverage under workers’ compensation? In fact, employers are required to notify all new hires of their rights and allow five days to waive. If you are not providing these notices to employees, you need to:

http://www.tdi.state.tx.us/forms/dwc/newemployeenotice.pdf
http://www.tdi.state.tx.us/forms/dwc/notice6.pdf