Each Administration shall supply by mutual agreement and free of charge to the Administrations with which a telephone service exists a sufficient number of copies of its lists of subscribers for official use.
ITU-T E.114-1993 Referenced Document
ITU-T D.170 Monthly telephone and telex accounts (Study Group 3)*, 2010-05-01 Update
ITU-T E.114 Supply of Lists of Subscribers (Directories and Other Means)
ITU-T E.114-1993 history
1993ITU-T E.114-1993 Supply of Lists of Subscribers (Directories and Other Means)
1988ITU-T E.114-1988 Supply of Lists of Subscribers (Directories and Other Means) - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 1 pp