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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
 
FORM 6-K
 
REPORT OF FOREIGN ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 OF THE
SECURITIES EXCHANGE ACT OF 1934
 
THROUGH MARCH 18, 2005

(Commission File No. 1-14477)
 
 
BRASIL TELECOM PARTICIPAÇÕES S.A.
(Exact name of registrant as specified in its charter)
 
BRAZIL TELECOM HOLDING COMPANY
(Translation of Registrant's name into English)
 

SIA Sul, Área de Serviços Públicos, Lote D, Bloco B
Brasília, D.F., 71.215-000
Federative Republic of Brazil
(Address of Regristrant's principal executive offices)


Indicate by check mark whether the registrant files or will file
annual reports under cover Form 20-F or Form 40-F.

Form 20-F ___X___ Form 40-F ______

Indicate by check mark if the registrant is submitting the Form 6-K
in paper as permitted by Regulation S-T Rule 101(b)(1)__.

Indicate by check mark if the registrant is submitting the Form 6-K
in paper as permitted by Regulation S-T Rule 101(b)(7)__.

Indicate by check mark whether the registrant by furnishing the
information contained in this Form is also thereby furnishing the
information to the Commission pursuant to Rule 12g3-2(b) under
the Securities Exchange Act of 1934.

Yes ______ No ___X___

If "Yes" is marked, indicated below the file number assigned to the
registrant in connection with Rule 12g3-2(b):

 


  Investor Relations
  (55 61) 415-1140
  ri@brasiltelecom.com.br
 
  Media Relations
  (55 61) 415-1378
  cesarb@brasiltelecom.com.br

Free Translation

BRASIL TELECOM S.A. BRASIL TELECOM PARTICIPAÇÕES S.A.
Publicly-held Corporation Publicly-held Corporation
Corporate Taxpayers’ Registry 76.535.764/0001-43 Corporate Taxpayers’ Registry 02.570.688/0001-70
Board of Trade 53 3 0000622 9 Board of Trade 53 3 0000581 8

MATERIAL FACT

In compliance with CVM Instruction 358, dated as of January 3, 2002, Brasil Telecom S.A. and Brasil Telecom Participações S.A. make public that, on March 17, 2005, they became aware that the United States District Court – Southern District of New York granted a preliminary injunction determining that CVC/Opportunity Equity Partners, Ltd. file before the competent authorities of the Cayman Islands its substitution as general partner of CVC/Opportunity Equity Partners, L.P.

CVC/Opportunity Equity Partners, L.P. is a limited partnership, duly incorporated in Cayman Islands, that holds a stake in Brasil Telecom Participações S.A. and Opportunity Zain S.A., a company which integrates the controlling corporate structure of Brasil Telecom Participações S.A. and Brasil Telecom S.A.

Brasília, March 17, 2005.

Carla Cico Paulo Pedrão Rio Branco
Investor Relations Officer Investor Relations Officer
Brasil Telecom S.A. Brasil Telecom Participações S.A.

 

 
SIGNATURE
 
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: March 18, 2005

 
BRASIL TELECOM PARTICIPAÇÕES S.A.
By:
/S/  Paulo Pedrão Rio Branco
 
Name:   Paulo Pedrão Rio Branco
Title:     Financial Executive Officer