For every paper there is a responsible person who is informed about paper state changes and asked to resend paper's file if it is needed. The responsible person will be that participant who has registered the paper.
See diagram of possible states:
After the registration ICCC 2010 organization staff checks the file of the paper for existance, readablity, proper fonts and formatting, etc. This check can have two results. Submitted state means that the uploaded file is OK and ready for the review. Need_resend state means that something is wrong with the file and it must be corrected and uploaded again.
If a paper becomes submitted then organization staff needs to ask a reviewer to review the paper. When this step is done, the paper gets reviewer_asked state. If asked reviewer refuses then this step needs to be repeated until a reviewer accepts paper for review. When this happens the paper becomes to review state.
After the review the reviewer makes a decision which changes paper's state to one of the following ones: