To provide a corrugated board which, usable for packing a load and the like, has an IC tag in such a state that breakage is prevented at the time of handling.

The corrugated board is so structured as to hold an IC tag inlet 10 in the space formed between a corrugating medium 2 and a liner 3. When it is used for a corrugated board box or in other packaging forms, it does not occur that the inlet for the IC tag breaks owing to sustaining an external force. Accordingly its use in the article management system utilizing the IC tag gives high reliability.