10 CFR §26.407
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
While the individuals specified in § 26.4(f) are constructing or directing the construction of safety- or security-related SSCs, licensees and other entities shall ensure that these individuals are subject to behavioral observation, except if the licensee or other entity has implemented a fitness monitoring program under § 26.406.