Corporate Sector Standard, also known as Corpstan, was a type of communication system used by Corporate Sector Authority computers. R2-series astromech droids were equipped with software that allowed them to communicate with computers that used 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