Corpstan, or Corporate Sector Standard, represented a particular kind of communication protocol employed by the computers of the Corporate Sector Authority. R2-series astromech droids had pre-installed software allowing for interaction with computer systems utilizing this Corporate Sector Standard.
- Star Wars: The Roleplaying Game
- Galaxy Guide 7: Mos Eisley
- " The History of R-Series Astromech Droids " — Star Wars Adventure Journal 7
- Star Wars: The Roleplaying Game, Second Edition, Revised and Expanded
- Star Wars: The Roleplaying Game 30th Anniversary Edition