WFDF Official Documents – Superseded WFDF Ultimate Rules 2017 - Official AnnotationsWFDF Rules of Ultimate 2021-2024 - Appendix v2.0WFDF Rules of Ultimate 2021-2024 - Appendix v1 Track ChangesWFDF Rules of Ultimate 2021-2024 - Appendix v1WFDF Rules of Ultimate 2017 - USAU ComparisonWFDF Rules of Ultimate 2017 - Summary of Changes v2WFDF Rules of Ultimate 2017 - FINAL - Track ChangesWFDF Rules of Ultimate 2017 - Appendix v4.0 FINAL FEB 2020WFDF Rules of Ultimate 2017 - Appendix v4.0 - Track ChangesWFDF Rules of Ultimate - Hand Signals Feb 2020 1 PageWFDF Prescribed Ratio Reference SheetWFDF Prescribed Ratio Reference Card - Pocket FormatWFDF Pravila Ultimate Frizbija 2017WFDF Hand SignalsSPN - Reglas del UltimateRules of Ultimate 2017 GA Quick Reference Guide