From JimmyG,
urge!
Please do not forget to mention the 2 plus months you will spend working as an F/O until they deem you worthy to move back to the left seat.
What JimmyG wrote is somewhat correct. It's not in your contract but it's known that it's possible that you might have to do that. Some pilots have been through the training program and have had to the F/O for a max of two months, to learn the Chinese ATC because of the domestic flying. More experienced guys get to bypass it. Remember, They got CAP pay, while sitting in the right seat. I didn't hear a true gripe from those that actually did that because they just accepted it as training. More info to come.