The Social Security Fairness Act eliminates two provisions that reduced Social Security benefits for some retirees who also received pension income.

"Americans who have worked hard all their lives to earn an honest living should be able to retire with economic security and dignity," Biden said.

President Joe Biden has expanded Social Security benefits for more than 2 million Americans by signing broadly bipartisan legislation that Congress approved late last year. The ceremony on Sunday marked one of the last times Biden is expected to sign major legislation as president,