March 30, 2017 18:37 Updated Follow Please fill out this form. Note: an election to make pre-tax contributions to your ASA cannot be changed until you retire or go to work for a different employer. Learn more about pre-tax voluntary contributions. Related articles How do I make voluntary post-tax contributions to my Annuity Savings Account? What if I don’t know my user ID and passcode to log on to my PERF or TRF account? Am I allowed to make voluntary contributions to my PERF plan? How are my taxes affected if my voluntary ASA contributions are all post-tax?