The Board transfers jurisdiction (railroad service and compensation credits earned by the employee which the Social Security Administration considers in determining benefits payable) to the Social Security Administration when -
(a) Life and death cases. A living or deceased employee has less than 120 months of service that is creditable under the Railroad Retirement Act; or
(b) Death cases. A deceased employee has at least 120 months of service that is creditable under the Railroad Retirement Act (see part 220 of this chapter) but does not have a current connection with the railroad industry as described in part 216 of this chapter.