Document control, depending on type (electronic or paper), might include:
Retention of a master copy;
Examination and approval prior to issue;
Review and update, to include an approval process;
Version control (electronic documents);
Identification of revision status;
Identification and retention of revisions as history;
Identification and retention of background or source references as history;
Distribution to ensure appropriate availability at points of use;
Checking of documents to verify they remain legible and readily identifiable;
As required, identification, update, distribution and retention of documents of external
origin;
As applicable, identification and retention of obsolete documents;
As applicable, disposal of documents.
Additionally, control of operational manuals might include: