14 C.F.R. § 5.17

An organizational system description developed and maintained under this part must include a summary of the following information about the safety of the aviation products or services provided by the person:

(a) The person's aviation-related processes, procedures, and activities.

(b) The function and purpose of the aviation products or services.

(c) The operating environment.

(d) The personnel, equipment, and facilities necessary for operation.