CFR › Title 45 › Part 170 › §170.40145 CFR §170.401Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Condition of Certification requirement. A health IT developer must not take any action that constitutes information blocking as defined in 42 U.S.C. 300jj-52 and § 171.103 on or after April 5, 2021.(b)[Reserved]