CFR › Title 29 › Part 790 › §790.329 CFR §790.3Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkSection 4 of the Portal Act, which relates to so-called “portal-to-portal” activities engaged in by employees on or after May 14, 1947, provides as follows: