Per the TA agreement, the East can bargain for a separate agreement. When the 9th issued its mandate, it lifted the injunction forbidding this.
I think the company would have a problem with seperate contracts.
Further, that whole single carrier status thing was not yet determined when the TA was written.
In a nutshell, seperate contracts ain't gonna happen. It is LOA 93 and Contract 2004, repectively until a Nic inclusive joint contract is ratified.