CFR > Title 49 - Transportation > SUBTITLE B—Other Regulations Relating to Transportation > CHAPTER XII—TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITY (Parts 1500–1580) > SUBCHAPTER D—MARITIME AND LAND TRANSPORTATION SECURITY (Parts 1570–1580) > PART 1572—CREDENTIALING AND SECURITY THREAT ASSESSMENTS > SUBPART F—Fees for Security Threat Assessments for Transportation Worker Identification Credential (TWIC) (§1572.500 to §1572.501)