[Code of Federal Regulations] [Title 20, Volume 1] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 20CFR227.1] [Page 469] TITLE 20--EMPLOYEES' BENEFITS CHAPTER II--RAILROAD RETIREMENT BOARD PART 227_COMPUTING SUPPLEMENTAL ANNUITIES--Table of Contents Sec. 227.1 Introduction. This part explains how to compute a supplemental annuity. A supplemental annuity is payable to an employee who meets the requirements in Sec. 216.12 of this chapter.