Beijing, August 1 (Xinhua) -- The State Post Bureau, together with the Ministry of Public Security and the Ministry of National Security, recently issued a notice requiring the effective maintenance of the safety of postal items during the Nanjing Youth Olympic Games and the strict implementation of the inspection system for receipt and delivery. The Notice requires postal and express delivery enterprises to strictly implement the regulations on prohibiting and restricting the delivery of goods, and to strictly implement the inspection system for receiving and sending.