diff --git a/src/components/application/application_form.tsx b/src/components/application/application_form.tsx
index dcf3d90d..926a2464 100644
--- a/src/components/application/application_form.tsx
+++ b/src/components/application/application_form.tsx
@@ -104,8 +104,8 @@ export default function ApplicationForm(props: ApplicationFormProperties) {
 
     const validateFormState = useCallback(() => {
         // console.log("validateFormState");
-        if (formState.touchedFields.protectedAmount === undefined) {
-            console.log("amount not touched, not calculating premium...");
+        if (getValues().protectedAmount === undefined || getValues().protectedAmount === "") {
+            console.log("amount empty, not calculating premium...");
             return false;
         }
 
@@ -372,11 +372,24 @@ export default function ApplicationForm(props: ApplicationFormProperties) {
                                     textField: { 
                                         variant: INPUT_VARIANT,
                                         fullWidth: true, 
+                                        error: errors.coverageEndDate !== undefined || field.value?.isBefore(coverageUntilMin, 'day') || field.value?.isAfter(coverageUntilMax, 'day'),
+                                        helperText: errors.coverageEndDate !== undefined 
+                                            ? t('error.field.required', { ns: 'common' }) 
+                                            : (field.value?.isBefore(coverageUntilMin, 'day')
+                                                ? t('error.field.min', { ns: 'common', minValue: coverageUntilMin.format('DD.MM.YYYY') }) 
+                                                : (field.value?.isAfter(coverageUntilMax, 'day')
+                                                    ? t('error.field.max', { ns: 'common', maxValue: coverageUntilMax.format('DD.MM.YYYY') }) 
+                                                    : ""
+                                                )
+                                            )
                                     }
                                 }}
-                                onAccept={async (date) => {
-                                    setValue("coverageDuration", dayjs(date).startOf('day').diff(dayjs().startOf('day'), 'days').toString()); 
-                                    await calculatePremium();
+                                onChange={async (date) => {
+                                    field.onChange(date);
+                                    if (date && date.isValid()) {
+                                        setValue("coverageDuration", dayjs(date).startOf('day').diff(dayjs().startOf('day'), 'days').toString(), { shouldValidate: true }); 
+                                        await calculatePremium();
+                                    }
                                 }}
                                 disablePast={true}
                                 minDate={coverageUntilMin}
diff --git a/src/components/show_bundle/bundle_extend_form.tsx b/src/components/show_bundle/bundle_extend_form.tsx
index d0d3fc78..8c730382 100644
--- a/src/components/show_bundle/bundle_extend_form.tsx
+++ b/src/components/show_bundle/bundle_extend_form.tsx
@@ -5,7 +5,7 @@ import { DatePicker } from "@mui/x-date-pickers";
 import dayjs, { Dayjs } from "dayjs";
 import { BigNumber } from "ethers";
 import { useTranslation } from "next-i18next";
-import { useState } from "react";
+import { useMemo, useState } from "react";
 import { Controller, SubmitHandler, useForm } from "react-hook-form";
 import { BundleData } from "../../backend/bundle_data";
 import { INPUT_VARIANT } from "../../config/theme";
@@ -44,7 +44,7 @@ export default function BundleExtendForm(props: BundleExtendFormProps) {
         }
     });
 
-    // const errors = useMemo(() => formState.errors, [formState]);
+    const errors = useMemo(() => formState.errors, [formState]);
     
     const onSubmit: SubmitHandler<IFundFormValues> = async data => {
         console.log("submit clicked", data);
@@ -83,6 +83,16 @@ export default function BundleExtendForm(props: BundleExtendFormProps) {
                                     textField: { 
                                         variant: INPUT_VARIANT,
                                         fullWidth: true, 
+                                        error: errors.extensionEndDate !== undefined || field.value?.isBefore(minExtensionDate, 'day') || field.value?.isAfter(maxExtensionDate, 'day'),
+                                        helperText: errors.extensionEndDate !== undefined 
+                                            ? t('error.field.required', { ns: 'common' }) 
+                                            : (field.value?.isBefore(minExtensionDate, 'day')
+                                                ? t('error.field.min', { ns: 'common', minValue: minExtensionDate.format('DD.MM.YYYY') }) 
+                                                : (field.value?.isAfter(maxExtensionDate, 'day')
+                                                    ? t('error.field.max', { ns: 'common', maxValue: maxExtensionDate.format('DD.MM.YYYY') }) 
+                                                    : ""
+                                                )
+                                            )
                                     }
                                 }}
                                 disablePast={true}
diff --git a/src/components/stake/staking_form.tsx b/src/components/stake/staking_form.tsx
index 980e202b..d7dc56b6 100644
--- a/src/components/stake/staking_form.tsx
+++ b/src/components/stake/staking_form.tsx
@@ -234,6 +234,16 @@ export default function StakingForm(props: StakingFormProperties) {
                                     textField: { 
                                         variant: INPUT_VARIANT,
                                         fullWidth: true, 
+                                        error: errors.lifetimeEndDate !== undefined || field.value?.isBefore(minLifetimeEndDate, 'day') || field.value?.isAfter(maxLifetimeEndDate, 'day'),
+                                        helperText: errors.lifetimeEndDate !== undefined 
+                                            ? t('error.field.required', { ns: 'common' }) 
+                                            : (field.value?.isBefore(minLifetimeEndDate, 'day')
+                                                ? t('error.field.min', { ns: 'common', minValue: minLifetimeEndDate.format('DD.MM.YYYY') }) 
+                                                : (field.value?.isAfter(maxLifetimeEndDate, 'day')
+                                                    ? t('error.field.max', { ns: 'common', maxValue: maxLifetimeEndDate.format('DD.MM.YYYY') }) 
+                                                    : ""
+                                                )
+                                            )
                                     }
                                 }}
                                 disablePast={true}
diff --git a/src/version.json b/src/version.json
index f1925d3c..9a8f01ab 100644
--- a/src/version.json
+++ b/src/version.json
@@ -1 +1 @@
-{"name": "depeg-interface", "version": "1.2.7", "date": "2023-12-27" }
+{"name": "depeg-interface", "version": "1.2.14", "date": "2026-07-11" }