435 

Pipeline and Haz. Matls. Safety Admin., DOT 

§ 172.500 

(b) The CARGO AIRCRAFT ONLY 

label must be black on an orange back-
ground. 

(c) A CARGO AIRCRAFT ONLY label 

conforming to the specifications in this 
section and in § 172.407(c)(2) in effect on 
October 1, 2008, may be used until Jan-
uary 1, 2013. 

[74 FR 2252, Jan. 14, 2009, as amended at 75 
FR 72, Jan. 4, 2010] 

§ 172.450

EMPTY label. 

(a) Each EMPTY label, except for 

size, must be as follows: 

(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] 

Subpart F—Placarding 

§ 172.500

Applicability of placarding 

requirements. 

(a) Each person who offers for trans-

portation or transports any hazardous 
material subject to this subchapter 
shall comply with the applicable 
placarding requirements of this sub-
part. 

(b) This subpart does not apply to— 
(1) Infectious substances; 
(2) 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 § 172.203(b) or 
when marked as such in accordance 
with § 172.315. 

(3) Hazardous materials prepared in 

accordance with § 173.13 of this sub-
chapter; 

(4) Hazardous materials which are 

packaged as small quantities under the 
provisions of §§ 173.4, 173.4a, 173.4b of 
this subchapter; and