TITLE 45 - PUBLIC WELFARE

SUBTITLE A - DEPARTMENT OF HEALTH AND HUMAN

CHAPTER I - SERVICES, GENERAL ADMINISTRATION

SUBCHAPTER C - ADMINISTRATIVE DATA STANDARDS AND RELATED REQUIREMENTS

PART 162 - ADMINISTRATIVE REQUIREMENTS

subpart f - STANDARD UNIQUE EMPLOYER IDENTIFIER

162.610 - Implementation specifications for covered entities.

  (a) The standard unique employer identifier of an employer of a particular employee is the EIN that appears on that employee's IRS Form W2, Wage and Tax Statement, from the employer.

  (b) A covered entity must use the standard unique employer identifier (EIN) of the appropriate employer in standard transactions that require an employer identifier to identify a person or entity as an employer, including where situationally required.

  (c) Required and permitted uses for the Employer Identifier.

  (1) The Employer Identifier must be used as stated in 162.610(b).

  (2) The Employer Identifier may be used for any other lawful purpose.

[67 FR 38020, May 31, 2002, as amended at 69 FR 3469, Jan. 23, 2004]