Obama has requested that the Credentials Committee give Florida and Michigan delegates their full votes.

CNN: Obama wants 'full vote' for Michigan, Florida delegates

And to recognize or seat a changed government requires a vote of a U.N. credentials committee.

WHITEHOUSE: Press Briefing

Campaign manager Rick Davis said Republicans would meet in an abbreviated fashion, conducting only what was necessary to constitute a convention, such as calling the convention to order, receiving a report from the credentials committee and adopting the party platform.

CNN: Gustav prompts major changes to RNC agenda