The separation of ownership or vertical separation was also implemented to all un-sponsored TLD registry operators to maintain registrar competition.<ref>[http://www.icann.org/en/about/agreements/registries/unsponsored/registry-agmt-26feb01-en.htm Proposed Unsponsored TLD Agreement, 26 February 2001]</ref> | The separation of ownership or vertical separation was also implemented to all un-sponsored TLD registry operators to maintain registrar competition.<ref>[http://www.icann.org/en/about/agreements/registries/unsponsored/registry-agmt-26feb01-en.htm Proposed Unsponsored TLD Agreement, 26 February 2001]</ref> |