"We still have to confirm the payed back ss is deducted off the years income like the guy on the radio said and not as amended returns..... if we have any retirees with some time and want to call the irs during the week and confirm feel free."
Not sure if this link is allowed; if not, see IRS pub. 915.
Secret Ways to Boost Your Social Security - Kiplinger.com
Look under "crunch the numbers", second paragraph.