I am on L2 from 21Jul2010.Have H1B visa stamped,expiring on 30th Sep 2010.Have not travelled on H1.Not yet applied for EAD. Q1.Can I work on H1 being on L2 or is COS required?(Q2)If yes,How will the COS work as H1 expires next month n COS may take longer?Q2.Can I work on H1 while COS applied or do I need to wait for aproval?Q3.Can i apply for H1B extension while COS is in progress?Q4.Will H1B remain valid while COS?(Q5)If my curent H1 employer not willing for extension, can I apply for H1B transfer being in L2 status or with COS applied or only after COS approved?(Q6)If its only after COSapproval, how can I keep my H1 active which is expiring on 30Sep2010(Q7)Is there a way I can qualify for Premium processing?(Q8)what is the way to work on H1?(Q9)What are the docs needed for L2 to H1 COS?