1200 hours/year and 120/30 is for Part 135 carrier. All of the Part 121 Carrier is 1000/year and 100/30 and no factoring allowed.
True, meaning the FAA somehow thinks regional jet pilots can sfely be more fatigued than domestic airline pliots.
Fact remains that FAA regs are generally less restrictive than GCAA.
It would be great if they boned factoring, but I'm not holding my breath.