[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: 20CFR209.3] [Page 197] TITLE 20--EMPLOYEES' BENEFITS CHAPTER II--RAILROAD RETIREMENT BOARD PART 209_RAILROAD EMPLOYERS' REPORTS AND RESPONSIBILITIES--Table of Contents Sec. 209.3 Social security number required. Each employer shall furnish to the Board a social security number for each employee for whom any report is submitted to the Board. Employers are encouraged to validate any social security number provided under this section. (Approved by the Office of Management and Budget under control number 3220-0008) [63 FR 32613, June 15, 1998]