diff --git a/package.json b/package.json
index 7c4a6ab..39e08db 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,10 @@
 {
   "name": "colempub",
-  "version": "0.10.12",
+  "version": "1.0.0",
   "dependencies": {
     "axios": "^0.19.2",
     "bootstrap": "^3.3.7",
     "keycloak-js": "^10.0.2",
-    "node-sass": "^4.11.0",
     "prop-types": "^15.6.2",
     "react": "^16.12.0",
     "react-app-polyfill": "^1.0.3",
@@ -18,7 +17,8 @@
     "react-responsive-carousel": "^3.2.9",
     "react-router-bootstrap": "^0.24.4",
     "react-router-dom": "^4.3.1",
-    "react-scripts": "3.4.0"
+    "react-scripts": "3.4.0",
+    "sass": "^1.68.0"
   },
   "scripts": {
     "start": "react-scripts start",
diff --git a/src/components/forms/assistance-form.js b/src/components/forms/assistance-form.js
index d99c163..03f40bd 100644
--- a/src/components/forms/assistance-form.js
+++ b/src/components/forms/assistance-form.js
@@ -7,7 +7,7 @@ import ErrorComponent from 'components/template/error-component';
 import validate from 'utils/validate-forms';
 import { getSurveyRootUrl } from 'utils/url-utils';
 import { getListOptionsMailAssitance, getListOptionsSurvey } from 'utils/read-content';
-import { idecLength, pathMail } from 'utils/properties';
+import { idecLengthMin, idecLengthMax, pathMail } from 'utils/properties';
 import Axios from 'axios';
 
 class AssistanceForm extends React.Component {
@@ -258,7 +258,7 @@ class AssistanceForm extends React.Component {
           valid={formControls.mailaddressconfirmation.valid}
           maxLength={200}
         />
-        <label htmlFor="idec">{`Identifiant (7 caractères)`}</label>
+        <label htmlFor="idec">{`Identifiant (entre ${idecLengthMin} et ${idecLengthMax} caractères)`}</label>
         <TextInput
           name="idec"
           placeholder={formControls.idec.placeholder}
@@ -266,7 +266,7 @@ class AssistanceForm extends React.Component {
           onChange={this.changeHandler}
           touched={formControls.idec.touched}
           valid={formControls.idec.valid}
-          maxLength={idecLength}
+          maxLength={idecLengthMax}
         />
         <br />
         <label htmlFor="survey">{`Nom de l'enquête`}</label>
diff --git a/src/components/forms/change-password.js b/src/components/forms/change-password.js
index fed7350..7e18a16 100644
--- a/src/components/forms/change-password.js
+++ b/src/components/forms/change-password.js
@@ -5,7 +5,7 @@ import PasswordInput from 'components/form-elements/passwordInput';
 import validate from 'utils/validate-forms';
 import isPasswordCompliant from 'utils/validate-password';
 import { getSurveyRootUrl } from 'utils/url-utils';
-import { idecLength, pathPassword, pathUser } from 'utils/properties';
+import { idecLengthMin, idecLengthMax, pathPassword, pathUser } from 'utils/properties';
 import Axios from 'axios';
 
 class ChangePasswordForm extends React.Component {
@@ -23,8 +23,8 @@ class ChangePasswordForm extends React.Component {
           placeholder: '',
           valid: false,
           validationRules: {
-            minLength: idecLength,
-            maxLength: idecLength,
+            minLength: idecLengthMin,
+            maxLength: idecLengthMax,
             isRequired: true,
           },
           touched: false,
@@ -172,7 +172,7 @@ class ChangePasswordForm extends React.Component {
           <h2>{`Formulaire de changement de mot de passe`}</h2>
           <p>{`(*) Champs obligatoires`}</p>
           <label htmlFor="idec">
-            {`Identifiant (7 caractères)`}
+            {`Identifiant (entre ${idecLengthMin} et ${idecLengthMax} caractères)`}
             <sup>*</sup>
           </label>
           <TextInput
@@ -182,8 +182,8 @@ class ChangePasswordForm extends React.Component {
             onChange={this.changeHandler}
             touched={formControls.idec.touched}
             valid={formControls.idec.valid}
-            maxLength={idecLength}
-            errormessage={`Merci de saisir un identifiant de 7 caractères`}
+            maxLength={idecLengthMax}
+            errormessage={`Merci de saisir un identifiant entre ${idecLengthMin} et ${idecLengthMax} caractères`}
           />
           <br />
           <label htmlFor="password">
diff --git a/src/components/forms/form-input-id.js b/src/components/forms/form-input-id.js
index 85e34f2..b2b2a49 100644
--- a/src/components/forms/form-input-id.js
+++ b/src/components/forms/form-input-id.js
@@ -1,6 +1,6 @@
 import React from 'react';
 import PropTypes from 'prop-types';
-import { idecLength } from 'utils/properties';
+import { idecLengthMin, idecLengthMax } from 'utils/properties';
 import TextInput from 'components/form-elements/textInput';
 
 export default class FormInputId extends React.Component {
@@ -40,14 +40,14 @@ export default class FormInputId extends React.Component {
         <label htmlFor="idec">
           {`Identifiant `}
           <sup>*</sup>
-          {` (7 caractères, exemple : N9XCZ3L)`}
+          {` (entre ${idecLengthMin} et ${idecLengthMax} caractères, exemple : N9XCZ3L)`}
         </label>
         <TextInput
           id="idec"
           name="idec"
-          maxLength={idecLength}
-          size={idecLength}
-          width={idecLength}
+          maxLength={idecLengthMax}
+          size={idecLengthMax}
+          width={idecLengthMax}
           value={idec}
           valid
           touched
@@ -56,7 +56,7 @@ export default class FormInputId extends React.Component {
         />
         {disable ? (
           <div className="validation-error">
-            {`Merci de renseigner un identifiant qui doit comporter 7 caractères`}
+            {`Merci de renseigner un identifiant qui doit comporter entre ${idecLengthMin} et ${idecLengthMax} caractères`}
           </div>
         ) : (
           <></>
diff --git a/src/utils/properties.js b/src/utils/properties.js
index 159f1a7..2b4b23f 100644
--- a/src/utils/properties.js
+++ b/src/utils/properties.js
@@ -1,4 +1,6 @@
-export const idecLength = 7;
+export const idecLengthMin = 7;
+
+export const idecLengthMax = 8;
 
 export const LONGUEUR_MINIMALE_PASSWORD_POLITIQUE_INSEE = 8;