diff --git a/components/case/representation/representationElements.js b/components/case/representation/representationElements.js
index 6f51a3c2..0fef71f2 100644
--- a/components/case/representation/representationElements.js
+++ b/components/case/representation/representationElements.js
@@ -578,6 +578,7 @@ export const RenderTextfield = ({
                     name={name}
                     id={id}
                     type={type}
+                    disabled={custom.disabled == true ? true : false}
                 />
             </div>
         </>
diff --git a/components/case/representation/representationQuestionnaires/representationLPAQuestionnaire_s78.js b/components/case/representation/representationQuestionnaires/representationLPAQuestionnaire_s78.js
index 105c3b26..cda5716f 100644
--- a/components/case/representation/representationQuestionnaires/representationLPAQuestionnaire_s78.js
+++ b/components/case/representation/representationQuestionnaires/representationLPAQuestionnaire_s78.js
@@ -1067,6 +1067,7 @@ let S78_Questionnaire = (props) => {
                             label={t(
                                 "myrepresentations:s78-section-question-onbehalf"
                             )}
+                            disabled={true}
                             errorMsg={t("myrepresentations:is-required-label")}
                         />
                     </div>