Former spouse
Former spouse means in connection with a court order affecting an employee annuity or a refund of employee contributions, a living person whose marriage to an employee has been subject to a divorce, annulment of marriage, or legal separation resulting in a court order, or (2) in connection with a court order awarding a former spouse survivor annuity, a living person who was married for at least 9 months to an employee or retiree who performed at least 18 months of civilian service covered by CSRS or who performed at least 18 months of civilian service creditable under FERS, and whose marriage to the employee of retiree was terminated prior to the death of the employee or retiree.