diff --git a/conditor-dumps/.gitignore b/conditor-dumps/.gitignore
index 640c5aa..c8fb751 100644
--- a/conditor-dumps/.gitignore
+++ b/conditor-dumps/.gitignore
@@ -1,2 +1,3 @@
 02-download/*.json
-03-create-fields/*.json
\ No newline at end of file
+03-create-fields/*.json
+04-enrich/*.json
\ No newline at end of file
diff --git a/conditor-dumps/04-enrich.ini b/conditor-dumps/04-enrich.ini
new file mode 100644
index 0000000..265b2f5
--- /dev/null
+++ b/conditor-dumps/04-enrich.ini
@@ -0,0 +1,76 @@
+append = dump?indent=true
+
+[use]
+# JSONParse URLConnect
+plugin = basics
+
+[JSONParse]
+
+# Prépare la structure à envoyer au web service v1/rnsr/info
+[assign]
+path = ws.rnsr
+value = get("authors") \
+        .flatMap("affiliations") \
+        .map("address").uniq() \
+        .map((address, id) => ({ \
+            id, \
+            value: { \
+                year: _.get(self,"ApilPublicationDate"), \
+                address \
+            } \
+        }))
+
+[map]
+path = ws.rnsr
+
+[map/expand]
+path = value
+size = 100
+
+[map/expand/URLConnect]
+url = https://affiliations-tools.services.inist.fr/v1/rnsr/info
+timeout = 1000
+noerror = true
+
+# Récupère les informations
+[assign]
+path = IsCnrs
+value = get("ws.rnsr").map("value").flatten() \
+        .map("etabAssoc").flatten() \
+        .map("etab.sigle") \
+        .filter(sigle => sigle === "CNRS") \
+        .thru(arr => Boolean(arr.length))
+
+path = LaboSigle
+value = get("ws.rnsr").map("value").flatten().map("sigle")
+
+path = LaboIntitule
+value = get("ws.rnsr").map("value").flatten().map("intitule")
+
+path = Rnsr
+value = get("ws.rnsr").map("value").flatten().map("num_nat_struct")
+
+# Récupère les instituts du CNRS à partir des RNSR
+
+[assign]
+path = InstitutCnrs
+value = get("Rnsr").map((value, id) => ({id, value}))
+
+[map]
+path = InstitutCnrs
+
+[map/expand]
+path = value
+size = 100
+
+[map/expand/URLConnect]
+url = https://mapping-tools.services.inist.fr/v1/rnsr/instituts-cnrs/json
+timeout = 1000
+error = true
+
+[assign]
+path = InstitutCnrs
+value = get("InstitutCnrs").map("value")
+
+[exchange]
+value = omit("ws")
diff --git a/conditor-dumps/04-enrich/.gitkeep b/conditor-dumps/04-enrich/.gitkeep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/conditor-dumps/04-enrich/.gitkeep
diff --git a/conditor-dumps/Makefile b/conditor-dumps/Makefile
index 694121e..319da78 100644
--- a/conditor-dumps/Makefile
+++ b/conditor-dumps/Makefile
@@ -1,6 +1,9 @@
 # cible : dépendance
-02-download/inist.json: 01-query/inist.txt
-	npx ezs 02-download.ini < 01-query/inist.txt > 02-download/inist.json
+04-enrich/inist.json: 03-create-fields/inist.json
+	npx ezs 04-enrich.ini < 03-create-fields/inist.json > 04-enrich/inist.json
 
 03-create-fields/inist.json: 02-download/inist.json
-	npx ezs 03-create-fields.ini < 02-download/inist.json > 03-create-fields/inist.json
\ No newline at end of file
+	npx ezs 03-create-fields.ini < 02-download/inist.json > 03-create-fields/inist.json
+
+02-download/inist.json: 01-query/inist.txt
+	npx ezs 02-download.ini < 01-query/inist.txt > 02-download/inist.json
\ No newline at end of file
diff --git a/conditor-dumps/README.md b/conditor-dumps/README.md
index e12a9dd..aa87570 100644
--- a/conditor-dumps/README.md
+++ b/conditor-dumps/README.md
@@ -1,17 +1,42 @@
 # Conditor-dumps
 
-Téléchargement de données via une requête sur l'api Corhal.  
-Création d'un champ `ApilPublicationDate`.
+## Étapes
+
+### 01-query
+
+Dépôt d'un fichier `inist.txt` (requête) dans le répertoire `01-query`.
+
+### 02-download
+
+Téléchargement de données via la requête sur l'api Corhal.
+
+### 03-create-fields
+
+Création d'un champ `ApilPublicationDate` à partir de données existantes dans le json (`publicationDate` et `electronicPublicationDate`).
+
+### 04-enrich
+
+Appel de deux web services ([informations RNSR](https://openapi.services.inist.fr/?urls.primaryName=affiliations-tools%20-%20Structuration%20%26%20enrichissements%20d%27affiliations#/affiliations/post-v1-rnsr-info) et [instituts CNRS](https://objectif-tdm.inist.fr/2022/03/29/attribution-de-noms-dinstituts-cnrs-a-partir-didentifiants-rnsr/)) pour créer les champs suivants :
+
+- `IsCnrs`
+- `LaboSigle`
+- `LaboIntitule`
+- `Rnsr`
+- `InstitutCnrs`
+
+## Configuration
+
+S'assurer d'avoir les versions suivantes :
 
 ```json
 "packages": [
-    "@ezs/core@2.1.2",
-    "@ezs/basics@1.22.4",
-    "@ezs/conditor@2.9.0"
+    "@ezs/core@2.1.9",
+    "@ezs/basics@1.22.6",
+    "@ezs/conditor@2.10.1"
   ]
 ```
 
-Configuration complète :
+Reste de la configuration :
 
 ```json
 {
@@ -20,12 +45,12 @@
         "EZS_VERBOSE": false
     },
     "files" : {
-        "zip": "https://gitbucket.inist.fr/tdm/web-dumps/archive/conditor-dumps/conditor-dumps@1.0.0.zip"
+        "zip": "https://gitbucket.inist.fr/tdm/web-dumps/archive/conditor-dumps/conditor-dumps@1.2.0.zip"
     },
     "tasks": [
         {
             "CronRule": "1 0 * * *",
-            "Target": "03-create-fields/inist.json",
+            "Target": "04-enrich/inist.json",
             "RunOnStartup": true
         }
     ]