I wan to know if there is a guidelines that Change of supplier of the Active pharmaceutical require a process validation of the finished product or it depends on the dosage form. On the other side if the specification of Active pharmaceutical ingredients from different suppliers are the same no process validation is required. I wan to know if there is a guidelines that Change of supplier of the Active phamaceuttical require a process validation or it depends on the dosage form. On the other side if the specification of Active pharmaceutical ingredients from different suppliers are the same no process validation is required.

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