First Modification Date Calculator
Use this calculator to find the date at which you will have fulfilled your SEPP obligation and can modify your distribution payment amounts. After age 59 1/2 you are free to take any distribution amount you want.
INSTRUCTIONS: In the top section of the form, enter your date of birth and the date of your first SEPP distribution. Your first modification can be the later of 5 full years of distributions, or age 59 1/2.