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• ITU-T Rec. X.520 (11/1988) – THE DIRECTORY – SELECTED ATTRIBUTE TYPES
• CONTENTS
• 0 Introduction
• 1 Scope and field of application
• 2 References
• 3 Definitions
• 4 Notation
• 5 Definition of Selected Attribute Types
  • 5.1 System Attribute Types
  • 5.2 Labelling Attribute Types
  • 5.3 Geographical Attribute Types
  • 5.4 Organizational Attribute types
  • 5.5 Explanatory Attribute Types
  • 5.6 Postal Addressing Attribute Types
  • 5.7 Telecommunications Addressing Attribute Types
  • 5.8 Preference Attribute Types
  • 5.9 OSI Application Attribute Types
  • 5.10 Relational Attribute Types
  • 5.11 Security Attribute Types
• 6 Definition of Attribute Syntaxes
  • 6.1 Attribute Syntaxes used by the Directory
  • 6.2 String Attribute Syntaxes
  • 6.3 Miscellaneous Attribute Syntaxes
• ANNEX A – Selected Attribute Types in ASN.1
• ANNEX B – Index of Attribute Types and Syntaxes
• ANNEX C – Upper Bounds