[Code of Federal Regulations]
[Title 49, Volume 8]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR1542.207]

[Page 313]
 
                        TITLE 49--TRANSPORTATION
 
   CHAPTER XII--TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF 
                            HOMELAND SECURITY
 
PART 1542_AIRPORT SECURITY--Table of Contents
 
                          Subpart C_Operations
 
Sec. 1542.207  Access control systems.

    (a) Secured area. Except as provided in paragraph (b) of this 
section, the measures for controlling entry to the secured area required 
under Sec. 1542.201(b)(1) must--
    (1) Ensure that only those individuals authorized to have unescorted 
access to the secured area are able to gain entry;
    (2) Ensure that an individual is immediately denied entry to a 
secured area when that person's access authority for that area is 
withdrawn; and
    (3) Provide a means to differentiate between individuals authorized 
to have access to an entire secured area and individuals authorized 
access to only a particular portion of a secured area.
    (b) Alternative systems. TSA may approve an amendment to a security 
program that provides alternative measures that provide an overall level 
of security equal to that which would be provided by the measures 
described in paragraph (a) of this section.
    (c) Air operations area. The measures for controlling entry to the 
AOA required under Sec. 1542.203(b)(1) must incorporate accountability 
procedures to maintain their integrity.
    (d) Secondary access media. An airport operator may issue a second 
access medium to an individual who has unescorted access to secured 
areas or the AOA, but is temporarily not in possession of the original 
access medium, if the airport operator follows measures and procedures 
in the security program that--
    (1) Verifies the authorization of the individual to have unescorted 
access to secured areas or AOAs;
    (2) Restricts the time period of entry with the second access 
medium;
    (3) Retrieves the second access medium when expired;
    (4) Deactivates or invalidates the original access medium until the 
individual returns the second access medium; and
    (5) Provides that any second access media that is also used as 
identification media meet the criteria of Sec. 1542.211(b).

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