t :: %HL7.Segment.AUT{__segment__: term, authorization: HL7.Composite.EI.t, authorized_treatments: integer, company: HL7.Composite.CE.t, company_name: binary, effective_date: :calendar.datetime, expiration_date: :calendar.datetime, plan: HL7.Composite.CE.t, process_date: :calendar.date, reimbursement_limit: HL7.Composite.CP.t, requested_treatments: integer}