The ADS-B OUT alteration must be documented in the aircraft maintenance record per section 43.9(a) and include the statement, “The installed ADS-B OUT system was shown to meet the equipment performance requirements of 14 CFR section 91.227.”

337 form must be submitted

Flight Manual Supplement must be provided to the owner

Instructions for continued airworthiness must be provided to the owner

Make sure to add the password to the logbook or aircraft permanent records.