[Code of Federal Regulations] [Title 5, Volume 3] [Revised as of January 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 5CFR1650.40] [Page 271] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER VI--FEDERAL RETIREMENT THRIFT INVESTMENT BOARD PART 1650--METHODS OF WITHDRAWING FUNDS FROM THE THRIFT SAVINGS PLAN--Table of Contents Subpart E--Procedures for In-Service Withdrawals Sec. 1650.40 How to obtain an age-based in-service withdrawal. To request an age-based in-service withdrawal, a participant must submit to the TSP Service Office a properly completed withdrawal election on Form TSP-75, Age-Based In-Service Withdrawal Request.