StacksVerified U.S. regulatory reference

47 CFR §9.15

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The rules in this subpart F apply to:
  1. (a)A person engaged in the business of manufacturing, importing, selling, or leasing multi-line telephone systems;
  2. (b)A person engaged in the business of installing, managing, or operating multi-line telephone systems;
  3. (c)Any multi-line telephone system that is manufactured, imported, offered for first sale or lease, first sold or leased, or installed after February 16, 2020.