...
14. Import Surround Mix into project sequence.
Premiere - https://utexas.atlassian.net/wiki/displayspaces/comm/pages/33424937/Adobe+Premiere+Pro+-+How+to+Make+a+2K+or+4K+-+5.1+QuickTime+using+your+Surround+Sound+Mix+-+Use+for+DCP+Screening
AVID - Import 5.1 Sound Mix and Export For Screenings
...