L1B to unused H1B transfer

[kkkumar]

I am currently on L1B VISA in US with Company A. I have approved H1B petition since 2008 with Company B which got expired in Sep 2011. I never worked for Company B on H1B VISA. I am planning to take job on H1B VISA. I have few questions on that.
1. Can I still use this expired petition to transfer H1B petition to new company C?
2. If yes, what all the documents I need to provide? (On many forums I see that Pay stubs from previous H1B employer are needed but in my case I never worked for H1B employer but I have paystubs from my L1B employer A)

[kabkaba]

Your new employer C can file a cap-exempt petition for you at anytime as long as your total time spent in the US in L1 or H1 status is not exceeding 6 years.
They will need copy of previous H1 approval notice to prove that you are cap-exempt.
They will also need proof of L1 employment (paystubs etc.) to change your status within the US.
Remember once change of status gets approved (new I-94), you must begin working for the H1 employer immediately.

[kkkumar]

Thanks a lot. This is really of great help to me.