Unfortunately, to be safe, you need to go to a lawyer for this type of thing. While there are various terms and conditions verbage out there that you could look at, it was designed specifically for the company it relates to.
When it comes to things that can be legally fought in a court of law, id much rather pay a lawyer to draw up the document then to take a document that has already been generated where there could potentially be a loop hole for your client to exploit since the document wasnt generated specifically for you company.
Read this if you want to know how to get a correct reply for your question:
^^Took that from planoie's profile^^
^^Modified text taken from gbianchi profile^^
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