Federal Communications Commission
Before the
Federal Communications Commission
Washington, D.C. 20554
In the Matter of
Wireless E911 Location Accuracy Requirements
)
)
) PS Docket No. 07-114
ERRATUM
Released: March 3, 2015
By the Chief, Public Safety and Homeland Security Bureau:
On February 3, 2015, the Commission released a Fourth Report and Order, FCC 15-9, in the above-
captioned proceeding.  This Erratum amends Appendix D of the Fourth Report and Order as indicated 
below.  These corrections will be reflected in the rules as published in the Federal Register.  
1. Paragraph 2 is corrected to read as follows:
“Section 20.18 is amended by amending paragraph (h)(3) and re-designating paragraphs (i) 
through (n) as paragraphs (l) through (q), adding new paragraphs (i) through (k), and revising 
paragraph (1) of re-designated new paragraph (m) . . . .”
2. Paragraph (B), of Section 20.18(i)(2)(ii), is corrected to read as follows:
“Within 3 years:  Nationwide CMRS providers shall develop one or more z-axis accuracy metrics 
validated by an independently administered and transparent test bed process as described in 
paragraph (i)(3)(i) of this section, and shall  submit the proposed metric or metrics, supported by 
a report of the results of such development and testing, to the Commission for approval.”
3. Paragraph (2), of Section 20.18(j), is corrected to read as follows:
“Upon meeting the 3-year timeframe pursuant to paragraph (i)(2)(i) of this section, CMRS 
providers shall provide with wireless 911 calls that have a dispatchable location the C/U data for 
the x- and y-axis (latitude, longitude) required under paragraph (j)(1) of this section.”
4. Paragraph (3), of Section 20.18(j), is corrected to read as follows:
“Upon meeting the 6-year timeframe pursuant to paragraph (i)(2)(i) of this section, CMRS 
providers shall provide with wireless 911 calls that have a dispatchable location the C/U data for 
the x- and y-axis (latitude, longitude) required under paragraph (j)(1) of this section.”
5. Paragraph (m), of Section 20.18, is redesignated as paragraph (l) and corrected to read as follows:
“(l) Reports on Phase II plans.  Licensees subject to this section shall report to the Commission 
their plans for implementing Phase II enhanced 911 service, including the location-determination 
technology they plan to employ and the procedure they intend to use to verify conformance with 
the Phase II accuracy requirements by November 9, 2000. Licensees are required to update these 
plans within thirty days of the adoption of any change. These reports and updates may be filed 
electronically in a manner to be designated by the Commission.”
6. Paragraph (n), of Section 20.18, is redesignated as paragraph (m) and paragraph (1) of Section 
20.18(m) is corrected to read as follows:
“(1)  Generally.  The requirements set forth in paragraphs (d) through (h)(2) and in paragraph (j)
Federal Communications Commission
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of this section shall be applicable only to the extent that the administrator of the applicable 
designated PSAP has requested the services required under those paragraphs and such PSAP is 
capable of receiving and utilizing the requested data elements and has a mechanism for 
recovering the PSAP’s costs associated with them.”
FEDERAL COMMUNICATIONS COMMISSION
David G. Simpson, Rear Admiral, USN (Ret.)
Chief
Public Safety and Homeland Security Bureau