[Code of Federal Regulations] [Title 20, Volume 1] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 20CFR218.2] [Page 235] TITLE 20--EMPLOYEES' BENEFITS CHAPTER II--RAILROAD RETIREMENT BOARD PART 218_ANNUITY BEGINNING AND ENDING DATES--Table of Contents Subpart A_General Sec. 218.2 Definitions. As used in this part: Applicant means a person who signs an application for an annuity for himself, herself or for some other person. Application means a form described in part 217 of this chapter. Award means to process a form to make a payment. Claimant means the person for whom an annuity application is filed. Filing date means the date on which an application or written statement is filed with the Board. Tier I benefit means the benefit calculated using the Social Security formulas and is based upon earnings, both in and outside the railroad industry. Tier II benefit means the benefit calculated under a formula found in the Act and is based only upon railroad earnings.