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.
view profile. Peggy MacePRO. President and Senior Agent, Outlook Life, Most of the U.S. The Medicare payroll tax started in 1966 for private or corporate employers, their employees and people who were self employed at that time. In 1983, federal employees started paying Medicare taxes.