45 CFR § 148.124
Certification and disclosure of coverage
April 14, 2021
(a) General rule. The rules for providing certificates of creditable coverage and demonstrating creditable coverage have been superseded by the prohibition on preexisting condition exclusions. See §147.108 of this subchapter for rules prohibiting the imposition of a preexisting condition exclusion.
(b) Applicability. The provisions of this section apply beginning December 31, 2014.
[79 FR 30341, May 27, 2014]