OBS_CONF (observationens konfidentialitet) (kodlista: CL_OBS_CONF): Om en NCB vill tilldela en eller flera observationer konfidentiell status kan den använda attributet OBS_CONF. ###>OBS_CONF (code list: CL_OBS_CONF): If an NCB wishes to differentiate between the confidentiality status of one or more specific observations, it may use the OBS_CONF attribute.