What country is not allowed to join the fifa

There are no particular countries that are not allowed join FIFA, some countries are banned due to certain reasons but the ban is not permanent and is lifted up after sometime, however there are countries that aren’t recognized republics and thus they have their own particular football federation for unrecognized states known as CONIFA an abbreviation for Confederation of Independent Football Association.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.