This template is used inside other templates. It takes one unnamed parameter and creates a "banner" to be displayed in an infobox.

Depending on the value of the parameter, one of the following banners will be displayed. Valid values are Ia, Ib, II, III, IV, V and VI. For more information read the World Commission on Protected Areas article. If no value is used no banner will be displayed. If an invalid value is used an error message will be displayed.

IUCN category Ib (wilderness area)
IUCN category IV (ដែនជំរកសត្វព្រៃ)
IUCN category V (protected landscape/seascape)
IUCN category VI (protected area with sustainable use of natural resources)
My infobox
DataMy data
{{Infobox
| above  = My infobox
| data1  = {{IUCN banner|II}}
| label2 = Data
| data2  = My data
}}