Consequences of Pulling Back I -140 from a RFE Query

[bsk]

Hi Guru\'s

Need some information regarding the below questions as a Query was raised for Educational Evaluation.

1)What are the Consequences of Pulling Back I-140 from RFE Query?
2)Can I extend my H1(7th Year),using self labor(EB2-RIR)?
3)Can I change from EB2-RIR to EB3, with the same Labor?

Please feel free to send a direct email, if possible to skarra@hotmail.com

Thanks
bsk