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Please share you advice regarding what's good and proper, and inappropriate and not recommended when doing an audit over a site where an auditor used to work. It could be either that your former employer is now the supplier of your present time company, or that you are now an external auditor, and after several years you are asked to perform an audit at your "old folks's" plant.

). As a client you have to have good cause and a lot will depend on the individual and the circumstances they left.