 However, the laws are discussed many times in other tractates, and in later rabbinic literature.Maimonides clarifies that, in addition to all of Israel, the priests are expected to be knowledgeable and fluent in the general and specifics of "ṭumah and ṭaharah" law.Given his role of Temple service and year round consumption of "terumah", each priest was required to be in a "ṭahor" state.