# Commissioner A Commissioner is the user who creates a Private League. Basically you can call him "The System", and he's responsible for everything that concerns the League: send invitations, set up of the League has Playoffs, define the date and time of the Draft and, above all, ensure that fair play prevails in your league. **Changing League from Private to Public** * You can change your League from Private to Public in "Settings". This allows you to easily fill any vacant posts in your league, making it available to the general public but keeping your preferred settings. **Removing users from a League** * You can remove members from a league with the consent of the Commissioner, and substituting them by a new member. **Trade Availability** * You have access to this setting in "League" » "Settings", in the "Time for automatic exchange approval" option. There, you can choose between 24, 48 and 72 hours. After that timeframe, the agreed trades will be automatically processed, regardless of the number of votes already entered. * You can set the number of vetos needed for a trade to be vetoed In the "League"» "Settings" area. There you'll have several options for "Number of Vetos needed to cancel a trade". Aseach agreed trade reaches the number of vetoes that you set, the trade is canceled at that point --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://realfevr.gitbook.io/realfevr/fantasy-football-platform/what-are-the-fantasy-leagues/game-modes/draft-leagues/commissioner.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.