[Code of Federal Regulations] [Title 14, Volume 2] [Revised as of January 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR121.15] [Page 421-422] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 121_OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS--Table of Contents Subpart A_General Sec. 121.15 Carriage of narcotic drugs, marihuana, and depressant or stimulant drugs or substances. If a certificate holder operating under this part permits any aircraft owned or leased by that holder to be engaged in any operation that the certificate holder knows to be in violation [[Page 422]] of Sec. 91.19(a) of this chapter, that operation is a basis for suspending or revoking the certificate. [Doc. No. 28154, 60 FR 65926, Dec. 20, 1995] Subpart B--Certification Rules for Domestic and Flag Air Carriers [Reserved] Subpart C--Certification Rules for Supplemental Air Carriers and Commercial Operators [Reserved] Subpart D--Rules Governing All Certificate Holders Under This Part [Reserved]