Home › CFR › Title 17 › Part 247 › §247.10017 CFR §247.100 — Definition.Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkFor purposes of this part the following definition shall apply: Act means the Securities Exchange Act of 1934 (15 U.S.C. 78a et seq.).