Section 172.450 49 CFR Ch. I (10-1-18 Edition) (b) The CARGO AIRCRAFT ONLY label must be black on an orange background. (c) A CARGO AIRCRAFT ONLY label conforming to the specifications in this section and in Section 172.407(c)(2) in effect on October 1, 2008, may be used until January 1, 2013. (1) Each side must be at least 6 inches (152 mm.) with each letter at least 1 inch (25.4 mm.) in height. (2) The label must be white with black printing. (b) [Reserved] [74 FR 2252, Jan. 14, 2009, as amended at 75 FR 72, Jan. 4, 2010] Section 172.500 Applicability requirements. Section 172.450 (a) Each person who offers for transportation or transports any hazardous material subject to this subchapter shall comply with the applicable placarding requirements of this subpart. (b) This subpart does not apply to - (1) Infectious substances; (2) Hazardous materials classed as ORM-D; (3) Hazardous materials authorized by this subchapter to be offered for transportation as a limited quantity when identified as such on a shipping paper in accordance with Section 172.203(b) or when marked as such in accordance with Section 172.315. (4) Hazardous materials prepared in accordance with Section 173.13 of this subchapter; (5) Hazardous materials which are packaged as small quantities under the provisions of SectionSection 173.4, 173.4a, 173.4b of this subchapter; and VerDate Sep<11>2014 16:41 Oct 31, 2018 Jkt 244226 PO 00000 Frm 00434 Fmt 8010 Sfmt 8010 Q:\49\49V2.TXT PC31 placarding EC02MR91.038 424 of ER14JA09.001 EMPTY label. (a) Each EMPTY label, except for size, must be as follows: Subpart F - Placarding