diff --git a/src/cso/cso_dataspace.py b/src/cso/cso_dataspace.py
index 5209280b823f4d04729ac660b5d461abacb0f8b6..8f812ea5b449cfd84f36cfbf2051489d47ed34b5 100644
--- a/src/cso/cso_dataspace.py
+++ b/src/cso/cso_dataspace.py
@@ -54,6 +54,7 @@
 # 2026-04, Arjo Segers
 #   Fixed definition of bounding box for global selection.
 #   Added increasing delays to avoid rate limit errors from STAC catalogue inquiry.
+#   Check on different paths to 'href' attribute in stac inquiry.
 #
 
 
@@ -175,6 +176,17 @@ import utopya
 #             }
 #          }
 #
+# Idem for nrti data:
+#           { ...,
+#             "assets": {
+#               "Product": {
+#                 "href": "s3://eodata/Sentinel-5P/TROPOMI/L2__NO2___/2025/10/06/S5P_RPRO_L2__NO2____20251006T150410_20251006T164737_41360_03_020901_20260203T132453.nc",
+#                  ...
+#               }
+#               ...
+#             }
+#          }
+#
 
 class CSO_DataSpace_Inquire(utopya.UtopyaRc):
 
@@ -374,7 +386,24 @@ class CSO_DataSpace_Inquire(utopya.UtopyaRc):
                             te = datetime.datetime.strptime(end_time, tfmt)
 
                             # extract download url:
-                            href = item.assets['netcdf'].href
+                            if "netcdf" in item.assets.keys():
+                                if hasattr(item.assets["netcdf"],"href"):
+                                    href = item.assets["netcdf"].href
+                                else:
+                                    logging.error(f"no `href` attribute in `netcdf` asset")
+                                    raise Exception
+                                #endif
+                            elif "Product" in item.assets.keys():
+                                if hasattr(item.assets["Product"],"href"):
+                                    href = item.assets["Product"].href
+                                else:
+                                    logging.error(f"no `href` attribute in `netcdf` asset")
+                                    raise Exception
+                                #endif
+                            else:
+                                logging.error(f"no `netcdf` or `Product` asset")
+                                raise Exception
+                            #endif
                             # filename:
                             filename = f"{product_id}.nc"