A system of so-called tax farmers (local or regional intermediaries who collected taxes on behalf of the central government) was established, along with an extensive communication system based around a network of post-towns. Metal or wooden paiza tablets ("Mongol passports") were required for one to be permitted use of the inns, supplies, and horses at these post-towns. | A system of so-called tax farmers (local or regional intermediaries who collected taxes on behalf of the central government) was established, along with an extensive communication system based around a network of post-towns. Metal or wooden paiza tablets ("Mongol passports") were required for one to be permitted use of the inns, supplies, and horses at these post-towns. |