Social Security related legislation in 1989.

Public Law 99-509, enacted on October 21, 1986, contains the following provisions related to the oldage, survivors, and disability insurance (OASDI) program: Section 6001-Change in starting date of Federal thrift savings plan. Delays until April 1, 1987, the date that Federal employees mandatorily participating in the Federal Employees’ Retirement System (FERS),2 the new retirement system for employees covered under social security, may begin to participate in the thrift savings plan, the optional employee thrift plan which is part of the new system. Under prior law, these employees could have participated in the thrift savings plan as early as January 1, 1987, the date FERS coverage begins. The startup date of the thrift savings plan was set back because the plan could not be put into effect by January 1, 1987, due to delays in appointing the plan investment board. Also provides that Federal employees covered under the Civil Service Retirement System may participate in the thrift savings