Transportation Security Administration

摘要

Thank you for your letter of February 19,2009, submitted on behalf of the Chemical Sector Coordinating Council and Railroad Sector Coordinating Council Joint Hazardous Materials Rail Transportation Task Force (Task Force), concerning the Transportation Security Administration's (TSA) on Rail Transportation Security Rule (49 CFR Parts 1520 and 1580). See 73 FR 72130 (November 26,2008). Your letter raised interpretive questions about the chain of custody and control requirements applicable to the transportation of rail security-sensitive materials (49 CFR 1580107).