Retirement
Answer:

Complete Form RSA 100-C, Change of Beneficiary Form, issued by the Retirement Systems of Alabama.
Answer:

You must submit in writing, a letter of cancellation on or before September 15th of the school year. Click the question to access the Code of Alabama.
http://www.rsa-al.gov/TRS/Pubs%20and%20forms/TRS%20Forms/Retirement%20-%20Disability%20Forms/Part%20I%20Retirement%20Application%20Packet.pdf
http://www.rsa-al.gov/TRS/Pubs%20and%20forms/TRS%20Forms/Retirement%20-%20Disability%20Forms/Report%20of%20Disability%20Packet.pdf
Answer:

Tier 1 plan member:  Any member of the Retirement Systems who had service for which he or she received credit in the Employees’ Retirement System or in the Teachers’ Retirement System prior to January 1, 2013.
http://www.rsa-al.gov/TRS/Pubs%20and%20forms/TRS%20Pubs/TRS%20Tier%201%20Member%20Handbook.pdf 


Tier 2 plan member:  Any member of the Retirement System who first began eligible employment with an Employees’ Retirement System or a Teachers’ Retirement System participating employer on or after January 1, 2013, and who had no eligible service in the Employees’ Retirement System or the Teachers’ Retirement System prior to January 1, 2013.


http://www.rsa-al.gov/TRS/Pubs%20and%20forms/TRS%20Pubs/TRS%20Tier%202%20Member%20Handbook.pdf