Not really enough information to answer your question. But basically you have 60 days to file your next appeal on the prescribed forms listed in the SSA notice. Failure to file on or before that 60 day timeline may result in a dismissal of your claim.
Easiest: go here to appeal on line: https://secure.ssa.gov/apps6z/iAppeals/ap001.jsp
Answered on Dec 19th, 2012 at 8:53 AM