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Exhibit 4.1
 Wholly amended By
    
    1991 · 8 ·10
    
    Act No. 4393Amended By
    
    1992 ·12 · 8
    
    Act No. 4528Amended By
    
    1993 · 3 · 6
    
    Act No. 4541Amended By
    
    1995 · 1 · 5
    
    Act No. 4905Amended By
    
    1996 ·12 ·30
    
    Act No. 5219Amended By
    
    1997 · 8 ·28
    
    Act No. 5385Amended By
    
    1997 · 8 ·28
    
    Act No. 5386Amended By
    
    1997 ·12 ·13
    
    Act No. 5453Amended By
    
    1997 ·12 ·13
    
    Act No. 5454Amended By
    
    1999 · 1 ·29
    
    Act No. 5733Amended By
    
    2000 · 1 ·28
    
    Act No. 6231Amended By
    
    2001 · 1 ·16
    
    Act No. 6360Amended By
    
    2002 · 1 ·14
    
    Act No. 6602Amended By
    
    2002 · 2 · 4
    
    Act No. 6656Amended By
    
    2002 ·12 ·26
    
    Act No. 6823Amended By
    
    2004 · 3 ·11
    
    Act No. 7188Amended By
    
    2004 · 3 ·22
    
    Act No. 7210Amended By
    
    2005 ·12 ·30
    
    Act No. 7810




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Article 1 (Purpose)
  Article 2 (Definitions)




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Article 3 (Supervision of Telecommunications)
  Article 4 (Government Policies)




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Article 5 (Establishment of Basic Telecommunications Plans)
          Article 6 (Annual Report)




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Article 7 (Classification of Telecommunications Business Operator)
 Telecommunications Business Act
  Article 8 (Establishment and Execution of Enforcement Plan for Technology Development)
 Article
5




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Article 9 (Management of Technical Information on Telecommunications)
   Article 10 (Promotion of Research Institutes, etc.)




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Article 11 (Designation of Research Projects, etc.)
   Article 12 (Imposition of Research and Development Contributions)




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1.
    
    Key communications business operators pursuant to the provision of Article 5
of the Telecommunications Business Act;2.
    
    Specific communications business operator pursuant to the provisions of
Article 19 of the Telecommunications Business Act; and3.
    
    Any other persons prescribed by the Presidential Decree as persons liable to
pay research and development contributions.




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Article 13 (Technical Guidance)
   Articles 14 and 15
  Article 15-2




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Article 16 (Maintenance and Repair of Telecommunications Facilities and Equipment)
  Article 17 (Installation Report of Telecommunications Facilities and Equipment, and Approval
thereon, etc.)




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Article 18 (Joint Installation of Telecommunications Facilities and Equipment)




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Article 19
   Article 20 (Installation of Private Telecommunications Facilities and Equipment)




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Article 21 (Restriction on Use Beyond Its Purpose)




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Articles 33-5 34-6 35 of the Telecommunications Business Act
  Article 22 (Securing of telecommunications in Case of Emergency)
 Telecommunications Business Act




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Article 23 (Orders for Correction, etc.)
    Article 20
 Article 21




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Article 24 (Imposition of Penalty Surcharge)
 Article 23
  
  Article 25 (Technical Standards)




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Article 26 (Management Rules)




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Article 27 (Correction Order for Violations of Technical Standards)
 Article 25
 Article 28 (Adoption of New Telecommunications Modes, etc.)
  
 Article 29 (Promotion of Standardization)
 Industrial Standardization
Act




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Article 30 (Telecommunications Technology Association)
     Civil Act




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Article 30-2 (Securing Pipeline Facilities, etc.)
  Article 2 of the Road Act
 Article 2 (1) of the Railroad Services Act
  Article 2 of the Industrial Sites and
Development Act




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Article 2 of the Aviation Act
 Article 2 of the Harbor Act
   Articles 33-5 34-6 35 of the Telecommunications Business Act




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Article 30-3 (Installation of Telecommunications Facilities and Equipment for Extension)
 Article 2 of the Building Act
 
 Article 30-4
  Article 31 (Integrated Operation of Telecommunications Facilities and Equipment, etc.)




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Article 32 (Purchase of Telecommunications Facilities and Equipment, etc.)




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Article 31
 Article 20 of the State Properties Act Article 82 of the
Local Finance Act
 Articles 67 70 71 74 77 78 (5) through (7) of the Act on the Acquisition of Land, etc. for
Public Works and the Compensation Therefor




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Article 33 (Approval for Types)




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Article 33-2 (Designation, etc. of Performance Testing Institution)
 Article 33




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Article 33-3 (Mutual Recognition of Type Approval between States)




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Article 33 Article 33 Article 33-2
 
 Article 34
  Article 34-2 (Termination of Type Approval)
 Article 33




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Article 35 (Cancellation, etc. of Type Approval)
 Article 33
  Article 33
 Article 33
 Article 33
 Article 36 (Follow-up Management)




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Article 33 Article 33




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Article 25
    Article 37 (Establishment and Composition of Korea Communications Commission)




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Article 38 (Qualifications, etc. for Members)
    Higher Education Act




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Article 39 (Guarantee of Status of Members)
    Article 40 (Functions of Korea Communications Commission)
 Article 40-2




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Article 33-5 (3) of the Telecommunications Business Act Article 33-6 (2) of the same Act Article 33-7 (3) of the same Act Article 34 (2) of the same
Act Article 34-3 (2) of the same Act Article 34-4 (2) of the same Act
 Article 34-4 (4) of the
Telecommunications Business Act
 Article 34-6 of the Telecommunications
Business Act
 Article 36 (1) and (2) of the Telecommunications
Business Act
  Article 37 (1) of the
Telecommunications Business Act
 Article 37-2 (1) of the Telecommunications Business Act
 Article 38-3 (4) of the Telecommunications Business Act




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Article 38-4 (4) of the Telecommunications Business Act
  
 Article 40-2 (Ruling by Korea Communications Commission)
  Article 33-2 of the Telecommunications Business
Act Article 46
 Article 33-5 (1) and
(2) of the Telecommunications Business Act Article 33-7 (1) and (2) of the same Act




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Article 34 Article
34-3 Article 34-4
 Article 33-5 (1) and
(2) of the Telecommunications Business Act Article 33-7 (1) and (2) of the same Act Article 34 Article
34-3 Article 34-4




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Article 40-3 (Good Offices of Disputes)
 Article 40-2
 Article 41 (Quorum of Voting)
  Article 42 (Exclusion, Avoidance, Refrainment of Members)




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Article 43 (Investigation and Listening to Opinions, etc.)




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Article 44 (Operation, etc. of Korea Communications Commission)
  Article 44-2 (Information and Communications Policy Deliberation Council)
  Article 5
 Article 8




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Article 5 (1) of the
Telecommunications Business Act
   
  Article 44-3 (Development of Basic Plan for Control of Communications Disaster)
 Framework Act on the Management of
Disasters and Safety Countermeasures against
Natural Disasters Act




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Article 22 of the Framework Act on the
Management of Disasters and Safety Article 16 of the Countermeasures against Natural Disasters
Act




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Article 44-5
   
 Article 44-4 (Preparations against Communications Disaster)




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Article 22
 
 Article 44-5 (Communications Disaster Control Committee)




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Article 44-6 (Functions of Communications Disaster Control Committee)
    
 Article 44-7 (Report on Communications Disaster)




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Article 44-8 (Communications Disaster Countermeasures Headquarters)
    
  Article 45 (Report, Inspection, etc.)




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Article 25
  Article 45-2 (Hearing)




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Article 33-2
 Article 35
 Article 46 (Delegation and Entrustment of Authority)
  Article 29
  Article 47 (Penal Provisions)




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Article 48 (Penal Provisions)
 Article 33
 Article 48-2
  Article 49 (Penal Provisions)




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Article 17
 Article 20
 Article 21
 Article 22
 Article 23
 Article 33
 Article 35




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Article 36
 Article 45
 Article 50
  Article 51 (Joint Penal Provisions)
 Articles 48 48-2 49
 Article 52 (Legal Fiction of Public Officials in Application of Penal Provisions)
 Article 33-2 Articles 46 Articles 129 132 of the Criminal Act
 Article 53 (Fine for Negligence)




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Article 20
 Article 25
 Article 25
 Article 26
 Article 27
 Article 33
 Article 36
 Article 36




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Article 44-3
 Article
44-7
 Article 44-8
 Article 45
 Article 45
   Non-Contentious Case Litigation
Procedure Act




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ADDENDA
 Article 1 (Enforcement Date)
  Article 2 (Transitional Measures on Confirmation of Technical Criteria Suitability)
 Article 25
 Article 3 (Transitional Measures on Management Rules)
 Article 26




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Article 4 (Transitional Measures on Type Approval)
 Article
30 Article 33 Article 34
 Article 5 (Transitional Measures on Association)
 Civil Act Article 30
 Civil Act
 Article 6 (Transitional Measures on Approval, etc.)
 Articles
2 4 of the Addenda




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Article 7
  ADDENDA
 Article 1 (Enforcement Date)
  Articles 2 through 11
  ADDENDA
 Article 1 (Enforcement Date)
  Articles 2 through 5




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ADDENDA
 Article 1 (Enforcement Date)
 Article 2 (1) of the Addenda
 Article 2 (Transitional Measures, etc. on Electronics and Telecommunications Research Institute)
 Civil Act Article 15-2




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Article 3 (Transitional Measures on Supply Agreements of Telecommunications Facilities and
Equipment)




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Article 18 Article
18
 Article 4 (Transitional Measures on Valid Period of Type Approval)
 Article 33 Article 34
 ADDENDA
 Article 1 (Enforcement Date)
  Article 2 (Transitional Measures on Electronics and Telecommunications Research Institute, etc.)
 Article 15-2




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Article 30
 Article 3 (Transitional Measures on Installation of Private Telecommunications Facilities and
Equipment)
 Article
20
 Article 4
  ADDENDA
 Article 1 (Enforcement Date)
  Articles 2 through 8
  ADDENDA




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Article 1 (Enforcement Date)
  Articles 2 through 8
  ADDENDA
 Article 1 (Enforcement Date)
  Article 2
    ADDENDA
 Article 1 (Enforcement Date)




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Articles 2 through 11
  ADDENDA
   ADDENDA
 Article 1 (Enforcement Date)
  Articles 2 through 6
  ADDENDA




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ADDENDA
 Article 1 (Enforcement Date)
  Articles 2 through 12
  ADDENDUM
  ADDENDA
 Article 1 (Enforcement Date)




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Articles 2 through 11
  ADDENDA
 Article 1 (Enforcement Date)
  Articles 2 through 16
  ADDENDA
 Article 1 (Enforcement Date)
  Article 2 through 5
  Article 6 (Amendment of Other Acts, etc.)
   Article 7




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ADDENDA
 Article 1 (Enforcement Date)
  Article 2 (