diff --git a/doc/03_analysis/io_schema/IFS03.2-request.json b/doc/03_analysis/io_schema/IFS03.2-request.json
index 6562d6f..0468498 100644
--- a/doc/03_analysis/io_schema/IFS03.2-request.json
+++ b/doc/03_analysis/io_schema/IFS03.2-request.json
@@ -1,4 +1,5 @@
 {
   "tax_code": "RSSMRA80A01F205D",
-  "institute_code": "AA"
+  "person_id": "",
+  "institute_code": "AA" /*Facoltativo*/
 }
\ No newline at end of file
diff --git a/doc/03_analysis/io_schema/IFS03.3-request.json b/doc/03_analysis/io_schema/IFS03.3-request.json
index 6562d6f..0468498 100644
--- a/doc/03_analysis/io_schema/IFS03.3-request.json
+++ b/doc/03_analysis/io_schema/IFS03.3-request.json
@@ -1,4 +1,5 @@
 {
   "tax_code": "RSSMRA80A01F205D",
-  "institute_code": "AA"
+  "person_id": "",
+  "institute_code": "AA" /*Facoltativo*/
 }
\ No newline at end of file
diff --git a/doc/03_analysis/io_schema/IFS03.4-request.json b/doc/03_analysis/io_schema/IFS03.4-request.json
index 7be3bd5..33deb25 100644
--- a/doc/03_analysis/io_schema/IFS03.4-request.json
+++ b/doc/03_analysis/io_schema/IFS03.4-request.json
@@ -1,2 +1,5 @@
-/*Working in progress*/
-
+{
+    "tax_code": "RSSMRA80A01F205D",
+    "person_id": "",
+    "institute_code": "AA" /*Facoltativo*/
+  }
\ No newline at end of file
diff --git a/doc/03_analysis/io_schema/IFS04.1-request.json b/doc/03_analysis/io_schema/IFS04.1-request.json
index d6587dc..f428df6 100644
--- a/doc/03_analysis/io_schema/IFS04.1-request.json
+++ b/doc/03_analysis/io_schema/IFS04.1-request.json
@@ -1,5 +1,6 @@
 {
   "tax_code": "RSSMRA80A01F205D",
+  "person_id":"",
   "reason": "Modifica iscrizione xxx",
   "attributes": [
     {
diff --git a/doc/03_analysis/io_schema/IFS05.1-request.json b/doc/03_analysis/io_schema/IFS05.1-request.json
index 87d8f71..bef97d9 100644
--- a/doc/03_analysis/io_schema/IFS05.1-request.json
+++ b/doc/03_analysis/io_schema/IFS05.1-request.json
@@ -1,5 +1,6 @@
 {
     "tax_code": "RSSMRA80A01F205D",
+    "person_id":"",
     "reason": "Modifica iscrizione xxx",
     "attributes": [
       {