Good Documentation Practices are the soul of many regulated industries. The FDA, like all other regulatory agencies, makes GDP a central element of its regulations, and bases it on the principle of evidence. For the FDA and other regulatory agencies across the world, what is not documented is nonexistent. Good documentation practice (commonly abbreviated GDP , recommended to abbreviate as GDocP to distinguish from "good distribution practice" also abbreviated GDP) is a term in the pharmaceutical and medical device industries to describe standards by which documents are created and maintained. What to write, and how to GDP should not only be about just writing down; it is about what to write and also, how, meaning, in what manner. If there has been an intervention in any method of manufacture or any other activity in the regulated industries; the change should be noted down in the proper format as prescribed by the FD...