Thus, the Visigothic kings imposed a tax not upon each individual Jew or upon the heads of families, but upon the community as a whole, allowing the communal authorities to fix the individual rate of taxation. But both under the Visigoths and under the Moors there was neither regularity in the transactions of the rabbis and elders nor system in the attitude of the government toward the Jewish communities. With the reestablishment of Christian rule, however, the relation between the government and its Jewish subjects gradually became a well-defined one.