A railroad Retiree always receives 2. One is Blue and is form RRB-1099 to report how much was actually Social Security and on line 11 how much medicare premiums was deducted.
You also receive a green form RRB-1099R that has amount on item 7 that is the combination of 4 and 6 which you report and then on line 9 it has the federal income tax withheld that you report.
