Waivers and Hold Harmless Clauses
Risk managment tools

The reality is that clients and volunteers may bring a lawsuit against a nonprofit if they suffer injuries.  The Nonprofit Risk Management Center offers this information about how waivers and hold harmless clauses can serve as risk management tools.   They also offer this sample waiver/hold harmless release form and photo release to use with volunteers. 

You can also take a look at the attached waiver used by the NPRC.