This legislation modifies existing retirement requirements for members of the Foreign Service by introducing a new voluntary early retirement authority. It allows certain participants to retire early and receive an annuity under specific conditions, aiming to facilitate workforce adjustments within the Foreign Service. Under the new provisions, a participant who is at least 43 years of age and has completed a minimum of 15 years of creditable service may retire if their agency is experiencing substantial workforce restructuring, such as reorganizations or reductions in force, or if their position is identified as surplus. The Office of Personnel Management must determine these conditions, and the resulting annuity will be computed similarly to early retirement benefits under the Federal Employees Retirement System. The act applies to individuals separated from the Foreign Service both before and after its enactment, with specific dates outlined for eligibility. It also includes a Sense of Congress stating that individuals receiving this early retirement annuity should be eligible to retain their Federal Employees Health Benefits Program coverage if they were enrolled at the time of their separation. Funding for these benefits can be supplemented by the general fund of the Treasury if the Foreign Service Retirement and Disability Fund is insufficient.