Assuming that the employer had an attorney do the H-1B, it is likely that the lawyer also represented you to some degree. Thus, you should be able to request it from the lawyer. Of course, you also have your I-94 with the H-1B to show you are on H-1B status.
Brian D. Lerner
Attorney at Law
Your question is ambiguous. If you are working on L-1, how did you get the H-1? Is it with the same or different employers. If you got the H-1, did you inform immigration you were already on L-1? Is your H-1 full or part-time?
Once you are outside of the U.S. for the proper period of time, you can change to L-1A. However, you might want to consider applying for the Multinational Manager Visa.
Multinational Manager Petition This is one of the best types of ways of eventually obtaining residency. These executives and managers must have offers of permanent employment in the United States, but are exempted from the labor certification. Including this group as priority workers is a tremendous boon to...
Petition to Remove the Conditional Residency and the Divorce Waiver While the Green Card has already been received, it is necessary to file what is known as the Petition to Remove the Conditional Residency. If this is not properly filed within 90 days before the expiration of the Conditional Green Card, the status will be automatically terminated. My office can file everything necessary to show that the marriage was bona-fide and that the USCIS should remove the condition in order to issue the...