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Title 45

Displaying title 45, up to date as of 10/09/2026. Title 45 was last amended 10/06/2026.
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Subpart F—Standard Unique Employer Identifier

Source:

67 FR 38020, May 31, 2002, unless otherwise noted.

§ 162.600 Compliance dates of the implementation of the standard unique employer identifier.

(a) Health care providers. Health care providers must comply with the requirements of this subpart no later than July 30, 2004.

(b) Health plans. A health plan must comply with the requirements of this subpart no later than one of the following dates:

(1) Health plans other than small health plans —July 30, 2004.

(2) Small health plans —August 1, 2005.

(c) Health care clearinghouses. Health care clearinghouses must comply with the requirements of this subpart no later than July 30, 2004.

§ 162.605 Standard unique employer identifier.

The Secretary adopts the EIN as the standard unique employer identifier provided for by 42 U.S.C. 1320d-2(b).

§ 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 W-2, 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]