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Validation deviations are just a part of life when you are working through validation protocols and test scripts; it’s highly unlikely that you will ever complete a full validation project without raising the odd validation deviation here and there.
So what is a Deviation or Exception?
It’s quite simple it’s an error or a failure which occurs during Verification of Validation.
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http://www.askaboutvalidation.com/validation-deviations-an-important-part-of-any-validation-project/
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