collatio lustralis References collatio lustralis Roman tax Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Constantine I/ Legacy of Constantine I…of a new tax, the collatio lustralis. It was levied every five years upon trade and business and seems to have become genuinely oppressive. Read More…of a new tax, the collatio lustralis. It was levied every five years upon trade and business and seems to have become genuinely oppressive. Read More