[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR393.63]

[Page 1116]
 
                        TITLE 49--TRANSPORTATION
 
        CHAPTER III--FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION,
                      DEPARTMENT OF TRANSPORTATION
 
PART 393--PARTS AND ACCESSORIES NECESSARY FOR SAFE OPERATION--Table of Contents
 
               Subpart D--Glazing and Window Construction
 
Sec. 393.63  Windows, markings.

    (a) On a bus manufactured before September 1, 1973, each bus push-
out window and any other bus escape window glazed with laminated safety 
glass required in Sec. 393.61 shall be identified as such by clearly 
legible and visible signs, lettering, or decalcomania. Such marking 
shall include appropriate wording to indicate that it is an escape 
window and also the method to be used for obtaining emergency exit.
    (b) On a bus manufactured on and after September 1, 1973, emergency 
exits required in Sec. 393.61 shall be marked to conform to Federal 
Motor Vehicle Safety Standard No. 217 (Sec. 571.217), of this title.
    (c) A bus manufactured before September 1, 1973, may mark emergency 
exits to conform to Federal Motor Vehicle Safety Standard No. 217 
(Sec. 571.217), of this title in lieu of conforming to paragraph (a) of 
this section.

[37 FR 11678, June 10, 1972]