WFDF membership is a requirement for registering and competing in WFDF sanctioned championship events. Only regular, organizational, and associate member organizations in good standing may register teams.

A National Federation is a WFDF Member recognized by WFDF as representing the sport of ultimate for a country.

WFDF World Ultimate Championship Events for National Teams are:

All players on a National Team Roster must be members of the National Federation in good standing, and must meet whatever other requirements are placed on them by the National Federation.

Player Classes – All players on a National Team Roster must belong to one of the following classes:

Team Roster Composition – A National Team may have on its roster:

Team Roster Composition – Small Ultimate Community

A single player may not participate on more than one team during a single WFDF Event.

The team roster must be inspected by an official of the National Federation who represents the team before being submitted. This official must countersign the roster to indicate they have inspected it and found it to be in accordance with player eligibility.

WFDF reserves the right to invalidate a submitted roster if it is felt that the team does not adequately represent the country the team is intended to represent.