Employment Insurance Act - Federal legislation (Federal Department of Justice site)
Employment Insurance Act - Service Canada site
Employment Insurance Regulations - Service Canada site
How much will I receive? - (Service Canada site)
Service Canada - Serving Employment Insurance Appellants - What is an appeal, how do you appeal and what happens next. Read their Appeal FAQ.
Appeals to the Board of Referees - where you first appeal a decision of the EI Commission (if your EI benefits have been refused, or you have to repay benefits or had a penalty assessed)
Board of Referees - provides reference tools for Board members and the public. It includes:
Handbook for Employment Insurance Board of Referees - outlining appeal process
Appeals to the Umpire - where you can appeal a decision of the Board of Referees