21 CFR § 820.181 - Device master record.
Each manufacturer shall maintain device master records (DMR's). Each manufacturer shall ensure that each DMR is prepared and approved in accordance with § 820.40. The DMR for each type of device shall include, or refer to the location of, the following information:
(d) Packaging and labeling specifications, including methods and processes used; and
(e) Installation, maintenance, and servicing procedures and methods.