...
A team can be added to a tournament if it exists in the current season. Registrars must create their teams or rollover teams so that the teams are available. View the documentation Creating Teams. Note that it is not necessary to have players on the team to register for a tournament.
...
As a tournament registrar, you can enter register a team from any organization and choose any category, even if this does not correspond to the original category of the team registered in your tournament. View the documentation Tournament - Register a team ;
As an organization registrar, you can register a team for a tournament directly using Spordle ID. This must be available for the team's category. View the documentation Organizations - Register a team;
As a team member, you can register for a Spordle PAGE tournament. See Tournament documentation for details.
...