Apply for membership
http://www.cfainstitute.org/about/membership/process/Pages/index.aspx
Sponsorship form
When you apply online you will receive an e-mail containing a link to the sponsor submission tool which you may forward to the appropriate individuals for completion.
Membership upgrade, status change requests and to add a society
Log-in to your CFA Institute account to request an upgrade membership status from Affiliate membership to Regular membership or a status change.
Retired membership application
http://www.cfainstitute.org/about/membership/Pages/index.aspx