With the New Year we can start with good news: the California Supreme Court, on December 21, 2006, ruled Indian Tribes must follow the same rules as other political spenders from petroleum companies to the Sierra Club. But this is not all the really good news. It now follows.
Here is the story. This Court, in its pronouncement, recognized the U. S. Constitutional duty and power required of all states to maintain a republican form of government for its citizens, found in Article IV, Section 4, and the 10th Amendment regarding governmental powers in general. Clearly the 10th Amendment limits governmental powers to state governments, the federal government, and the remaining powers (specified and unnamed) to the citizens themselves.
Tribes are excluded from the distribution of powers. Here is the actual 10th Amendment text on this matter.