Which of the following best describes the application of FIBA regulations?

The correct choice indicates that FIBA regulations apply to all competitions under FIBA's jurisdiction. This includes not only international competitions such as the FIBA World Cup and Olympic events but also various levels of national competitions and tournaments that fall under FIBA governance. FIBA has established these regulations to ensure uniformity, fairness, and integrity across all levels of the sport, promoting a consistent framework for competition regardless of whether it is at a grassroots or elite level.

By stating that the regulations apply to all competitions, it highlights the importance of compliance across the board for players, teams, and officials, which ultimately supports the growth and governance of basketball globally. This comprehensive application helps maintain standards and protect the interests of all stakeholders within the sport, improving the overall quality and experience of basketball around the world.