The document on the collection and destruction of QS steps to destroy documents, or if you have stored a reference to stamp "Obsolete" and put back only 1 revision only.
Document the QS billed will destroy the process of destroying documents. Or if the original documents to refer to apply the "Obsolete" and put back only 1 revision only.
Document the QS charged, it will destroy the steps to destroy documents. Or if there is a collection of documents for reference to seal. "Obsolete" and keep back only 1 revision only.