A) Teachers must inform T/A’s of any special materials (ie TV, VCD player, art supplies, etc) at time of submitting lesson plans, or at least one hour before class starts 
B) Teachers must begin class at scheduled times and (with exception of break time) continue to teach for the entire scheduled teaching period.  
C）Teachers are responsible for incorporating all discipline and disciplining of students into their own teaching. If need more cooperation, please see T/A’s responsibilities for details. And according to Chinese laws, teachers must be fully responsible for students’ safety. 
D)When teachers ask students doing games/events/activities in classes, the possible hazardous factors of the games/events/activities must be taken into considerations and special attentions must be paid to the students in the performances of those activities. Appropriate actions must be taken immediately to stop any possible risk if necessary. Teachers must have a good communications and coordination with TA before and in those activities.