[4] The TCC maintains a list of countries and territories by which initial membership and milestone recognition is determined.

The list includes not only sovereign states but also certain territories, exclaves and island groups.

[6] The designation of what qualifies to be on the list is very roughly based on the amateur radio DXCC award criteria for working 100 "entities."

[6] The club has no requirements as to how long the traveler must have stayed in a country to qualify.

Instead Guinness retired the category citing lack of an objective standard for the title.