TSP Rule of 55 Eligibility Requirements To qualify for the TSP Rule of 55, you must separate from federal service during or after the year in which you turn 55. If you retire earlier than that, the early withdrawal penalty still applies. One critical part of the tsp rule of 55 withdrawal rules is that rolling your TSP into an IRA eliminates this benefit. Federal employees should con... https://www.federalpensionadvisors.com/post/tsp-rule-of-55