[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR236.4]

[Page 639]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 236_RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, 
 
              Subpart A_Rules and Instructions: All Systems
 
Sec.  236.4  Interference with normal functioning of device.

    The normal functioning of any device shall not be interfered with in 
testing or otherwise without first taking measures to provide for safety 
of train operation which depends on normal functioning of such device.

[49 FR 3382, Jan. 26, 1984]