Can i use AC-21 in my CASE!!!

[kishuibm]

Can i use AC-21???
This is my situation.
I work for company called AAAA.com .This is a consulting company. But I am working as consultant to BBBB.com (Client) my 140 and 485 filed in Vermont Service center... I got EAD. 140 approved. And 485 is pending more than 180 days...so i can use AC-21.

Now BBBB.com is offering a job Called “Supplemental position”...This is basically a contract position but i get more benefits like insurance and stock option purchase plan ,group insurance stuff like that and pay roll from BBBB.com and a little raise in salary also . There is always a chance that I can become regular permanent employee of the BBBB.com when they begin Hiring . But the one I am offered is not a permanent employment its just a supplemental means 12-36 months of employment.
So can I use AC-21 here?
1)I don’t think I will get an Employment Verification letter saying that intent to hire or future employment from BBB.com. They are not promising this.

2) Can I join now and go back to my original company AAAA.com some time later???

3) Can I get some other company Employment offer letter when USCIS asks for Employment verification letter or for an RFE??


Need Experts advise please?

 

[GCWORLD]

I think incase if you get RFE while working BBB, then they have to give you the proper employment letter syaing after GC, we offer him the so and so position and salary what is mentioned in the LC.
The offer you have got is little bit trouble some for GC (I think).