This guidance outlines the general principles and approaches that FDA considers appropriate
elements of process validation for the manufacture of human and animal drug and biological
products, including active pharmaceutical ingredients (APIs or drug substances), collectively
referred to in this guidance as drugs or products. This guidance incorporates principles and
approaches that all manufacturers can use to validate manufacturing processes.
Continue at: https://www.fda.gov/downloads/drugs/guidances/ucm070336.pdf
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