Generally the SAP threshold means $150,000, however refer to FAR 13.5, Test Program for Certain Commercial Items, which permits the acquisition of commercial supplies and services up to $6,500,000 using SAP.
A: The Democratic Party. Prior to 1984, income derived from Social Security benefits was exempt from taxation. Amendments to the Social Security Act passed by Congress in 1983 allowed for 50% of Social Security benefits to be considered taxable income for taxpayers whose total income exceeded specified thresholds.
You can also use a free online calculator called How Much of My Social Security benefit May be Taxed to come up with a rough estimate of the dollar amount of benefit that would need to go into box 20b (the taxable amount box) on your 1040 tax form. Social Security Taxation for Married Couples