diff --git a/mapping-tools/examples.http b/mapping-tools/examples.http
index c3b73fb..beac3d3 100644
--- a/mapping-tools/examples.http
+++ b/mapping-tools/examples.http
@@ -143,4 +143,15 @@
     { "id":9, "value": "Other" },
     { "id":10, "value": "Theory-Nucl" }
 ]
-###
\ No newline at end of file
+###
+
+# @name v1RnsrYearInstitutsCnrs
+# Trouver l'Institut du CNRS associé à une structure de recherche et une année
+POST {{baseUrl}}/v1/rnsr-year/instituts-cnrs?indent=true HTTP/1.1
+Content-Type: application/json
+
+[
+    {"id":1, "value": "200919362L|2020"},
+    {"id":2, "value": "200112440X|2022"}
+]
+###
diff --git a/mapping-tools/v1/rnsr-year/instituts-cnrs.ini b/mapping-tools/v1/rnsr-year/instituts-cnrs.ini
new file mode 100644
index 0000000..54d57b7
--- /dev/null
+++ b/mapping-tools/v1/rnsr-year/instituts-cnrs.ini
@@ -0,0 +1,43 @@
+# OpenAPI Documentation - JSON format (dot notation)
+mimeType = application/json
+
+post.operationId = post-v1-rnsr-year-instituts-cnrs
+post.description = Retrouve le ou les institut(s) du CNRS dans lequel se trouve la structure de recherche française dont l'identifiant RNSR et l'année sont fournis.
+post.responses.default.description = Renvoie un JSON, composé d `id`, `value`, avec `value` étant un ou plusieurs institut(s) du CNRS
+post.responses.default.content.application/json.schema.$ref = #/components/schemas/IdInstitutes
+post.tags.0: mapping
+post.summary: Trouve le ou les institut(s) du CNRS dans lequel se trouve une structure de recherche
+post.requestBody.required = true
+post.requestBody.content.application/json.schema.$ref = #/components/schemas/IdRNSRs1
+post.requestBody.content.application/json.example.0.id = 1
+post.requestBody.content.application/json.example.0.value = 200919362L|2020
+post.requestBody.content.application/json.example.1.id = 2
+post.requestBody.content.application/json.example.1.value = 200112440X|2022
+post.responses.default.content.application/json.example.0.id = 1
+post.responses.default.content.application/json.example.0.value = INEE (P)
+post.responses.default.content.application/json.example.1.id = 2
+post.responses.default.content.application/json.example.1.value = INS2I (P);INSIS (S)
+
+[use]
+plugin = basics
+plugin = analytics
+
+[JSONParse]
+
+[expand]
+path = value
+cacheName = post-v1-rnsr-year-instituts-cnrs
+
+[expand/combine]
+path = value
+default = n/a
+primer = env("TABLE_SERVER_URL", "https://inist-wsdata.dboard.inist.fr/") \
+        .concat("rnsr-year-instituts-cnrs.tsv").join("")
+file = ./rnsr-year-instituts-cnrs.ini
+
+[assign]
+path = value
+value = get("value.value")
+
+[JSONString]
+indent = env('indent', true)
diff --git a/mapping-tools/v1/rnsr-year/rnsr-year-instituts-cnrs.ini b/mapping-tools/v1/rnsr-year/rnsr-year-instituts-cnrs.ini
new file mode 100644
index 0000000..ef836de
--- /dev/null
+++ b/mapping-tools/v1/rnsr-year/rnsr-year-instituts-cnrs.ini
@@ -0,0 +1,17 @@
+# Lit le fichier CSV, et renvoie du JSON [{id, value}]
+[use]
+plugin = basics
+plugin = analytics
+
+[URLStream]
+path = false
+
+[CSVParse]
+separator = fix("\t")
+[CSVObject]
+[replace]
+path = id
+value = get('From')
+
+path = value
+value = get("To")