June 20, 2018 14:06 Updated Follow To have federal taxes taken out of your monthly pension benefit, please fill out this form. Learn more about federal taxes. Related articles How do I find my INPRS Pension Identification (PID) number? What is my Defined Contribution account? How do I contact INPRS? If my last day of work is January 1, when is my retirement date? Will my tax withholding change?