49 C.F.R. § 227.219
Certain material is incorporated by reference into this subpart with the approval of the Director of the Federal Register under 5 U.S.C. 552(a) and 1 CFR part 51. This incorporation by reference (IBR) material is available for inspection at the FRA and the National Archives and Records Administration (NARA). Contact FRA at: Federal Railroad Administration, 1200 New Jersey Avenue SE, Washington, DC 20590; phone: (202) 493-6052; email: FRALegal@dot.gov. For information on the availability of this material at NARA, visit www.archives.gov/federal-register/cfr/ibr-locations or email fr.inspection@nara.gov. The material may be obtained from the following sources:
(a) The British Standards Institution, 12110 Sunset Hills Road, Suite 200, Reston, VA 20190-5902, phone: 800-862-4977; website: shop.bsigroup.com.
(b) International Organization for Standardization, Chemin de Blandonnet 8, CP 401, 1214 Vernier, Geneva, Switzerland; phone +41-22-749-08-88; website: www.iso.org.