45 CFR § 162.404
Compliance dates of the implementation of the standard unique health identifier for health care providers
April 14, 2021
(a) Health care providers. A covered health care provider must comply with the implementation specifications in §162.410 no later than May 23, 2007.
(b) Health plans. A health plan must comply with the implementation specifications in §162.412 no later than one of the following dates:
(1) A health plan that is not a small health plan—May 23, 2007.
(2) A small health plan—May 23, 2008.
(c) Health care clearinghouses. A health care clearinghouse must comply with the implementation specifications in §162.414 no later than May 23, 2007.
[69 FR 3468, Jan. 23, 2004, as amended at 77 FR 54719, Sept. 5, 2012]