Looks like if the SErvice center(in my case USCIS - CA center) deems that the argument submitted in the I-290B/MTR is not admissible, then it will be sent to AAO in DC by the USCIS.
Also, does any of you have any idea as to typically, in what time frame we will come to know, if USCIS is transferring the case to AAO as an appeal?
Also, will they issue another tracking number for the I-290B case, or will it be trackable by my previous 140 case number itself?
--Rox