On the 6 82 weeks charting in the Netherlands, and was certified platinum for sales of 60,000 copies. "On the 6" was moderately successful in Australia, where it debuted (and peaked) at number 11 on July 18, 1999. In 2002 it was certified platinum by the Australian Recording Industry Association for selling 70,000 copies. "On the 6" peaked at number 14 in the United Kingdom, and was certified platinum by the British Phonographic Industry for sales of over 300,000 copies. The album entered the French album chart at number 24 on July 3, 1999, peaking at number 15 two weeks later. It spent
International Standard Authority Data Number International Standard Authority Data Number The International Standard Authority Data Number (ISADN) was a registry proposed by the International Federation of Library Associations and Institutions (IFLA) to provide and maintain unique identifiers for entities described in authority data. Having such a unique number would have the benefits of being language-independent and system-independent. Francoise Bourdon was a major proponent of such a standard, proposing a structure for the ISADN and recommending that the number uniquely identify authority records, rather than their subjects. A 1989 article by Delsey described the work on the IFLA Working Group on an International Authority System, spending