diff --git a/src/components/app-text-area/AppTextArea.tsx b/src/components/app-text-area/AppTextArea.tsx
index 927bae821..4f0e6fa1c 100644
--- a/src/components/app-text-area/AppTextArea.tsx
+++ b/src/components/app-text-area/AppTextArea.tsx
@@ -13,6 +13,7 @@ import { styles } from '~/components/app-text-area/AppTextArea.styles'
 interface AppTextAreaProps
   extends Omit<TextFieldProps, 'error' | 'helperText'> {
   maxLength?: number
+  minLength?: number
   errorMsg?: string
   value?: string
   textFieldStyles?: SxProps
@@ -24,6 +25,7 @@ const AppTextArea: FC<AppTextAreaProps> = ({
   minRows = 4,
   maxRows = 4,
   maxLength,
+  minLength,
   title,
   value,
   sx,
@@ -35,6 +37,11 @@ const AppTextArea: FC<AppTextAreaProps> = ({
   const textLengthStyle = isRightAligned
     ? styles.textLengthRight
     : styles.textLength
+  const isLengthTooShort =
+    minLength && value?.length < minLength && value?.length !== 0
+  const isLengthTooLong = value?.length === maxLength
+  const isLengthValid =
+    isLengthTooShort || isLengthTooLong ? 'error' : 'primary.300'
 
   return (
     <Box sx={spliceSx(styles.container, sx)}>
@@ -50,7 +57,7 @@ const AppTextArea: FC<AppTextAreaProps> = ({
       />
       {maxLength && (
         <Typography
-          color={value?.length === maxLength ? 'error' : 'primary.300'}
+          color={isLengthValid}
           sx={textLengthStyle}
           variant={TypographyVariantEnum.Body2}
         >
diff --git a/src/constants/translations/en/offer-details-page.json b/src/constants/translations/en/offer-details-page.json
index 18c796f41..b9a09452d 100644
--- a/src/constants/translations/en/offer-details-page.json
+++ b/src/constants/translations/en/offer-details-page.json
@@ -35,5 +35,8 @@
   "offerBanner": {
     "saveOfferButton": "Save Offer"
   },
-  "closeOffer": "Are you sure that you want to close this offer? You can't reopen this offer."
+  "closeOffer": "Are you sure that you want to close this offer? You can't reopen this offer.",
+  "errors": {
+    "additionalInfo": "Additional information cannot be shorter than 30 symbols"
+  }
 }
diff --git a/src/constants/translations/uk/offer-details-page.json b/src/constants/translations/uk/offer-details-page.json
index 558415efb..ec4fc1390 100644
--- a/src/constants/translations/uk/offer-details-page.json
+++ b/src/constants/translations/uk/offer-details-page.json
@@ -35,5 +35,8 @@
   "offerBanner": {
     "saveOfferButton": "Зберегти пропозицію"
   },
-  "closeOffer": "Ви впевнені, що бажаєте закрити цю пропозицію? Ви не можете повторно відкрити цю пропозицію."
+  "closeOffer": "Ви впевнені, що бажаєте закрити цю пропозицію? Ви не можете повторно відкрити цю пропозицію.",
+  "errors": {
+    "additionalInfo": "Додаткова інформація не може бути коротшою за 30 символів"
+  }
 }
diff --git a/src/containers/offer-details/enroll-offer/EnrollOffer.styles.ts b/src/containers/offer-details/enroll-offer/EnrollOffer.styles.ts
index b6bd352d0..af402419c 100644
--- a/src/containers/offer-details/enroll-offer/EnrollOffer.styles.ts
+++ b/src/containers/offer-details/enroll-offer/EnrollOffer.styles.ts
@@ -36,5 +36,9 @@ export const styles = {
     p: '12px 24px',
     width: { xs: '100%', sm: 'fit-content' },
     minWidth: '280px'
+  },
+  errorText: {
+    ml: '12.5px',
+    mt: '3px'
   }
 }
diff --git a/src/containers/offer-details/enroll-offer/EnrollOffer.tsx b/src/containers/offer-details/enroll-offer/EnrollOffer.tsx
index 3b2138b1e..21a2d23fd 100644
--- a/src/containers/offer-details/enroll-offer/EnrollOffer.tsx
+++ b/src/containers/offer-details/enroll-offer/EnrollOffer.tsx
@@ -26,10 +26,13 @@ import {
   ErrorResponse,
   Offer,
   EnrollOfferForm,
-  ButtonTypeEnum
+  ButtonTypeEnum,
+  TypographyVariantEnum
 } from '~/types'
 import { openAlert } from '~/redux/features/snackbarSlice'
 import { getErrorKey } from '~/utils/get-error-key'
+import { textField } from '~/utils/validations/common'
+import { Typography } from '@mui/material'
 
 interface EnrollOfferProps {
   offer: Offer
@@ -80,16 +83,35 @@ const EnrollOffer: FC<EnrollOfferProps> = ({ offer, enrollOffer }) => {
     onResponseError: handleResponseError
   })
 
-  const { data, handleInputChange, handleNonInputValueChange, handleSubmit } =
-    useForm<EnrollOfferForm>({
-      initialValues: {
-        proficiencyLevel: offer.proficiencyLevel[0],
-        price: offer.price,
-        additionalInfo: '',
-        title: offer.title
-      },
-      onSubmit: fetchData
-    })
+  const validateAdditionalInfo = (additionalInfoValue: string) => {
+    if (additionalInfoValue.length === 0) {
+      delete data.additionalInfo
+    }
+    if (additionalInfoValue.length < 30 && additionalInfoValue.length !== 0) {
+      return textField(30, 1000)
+    }
+  }
+
+  const validations = {
+    additionalInfo: validateAdditionalInfo
+  }
+
+  const {
+    data,
+    errors,
+    handleInputChange,
+    handleNonInputValueChange,
+    handleSubmit
+  } = useForm<EnrollOfferForm>({
+    initialValues: {
+      proficiencyLevel: offer.proficiencyLevel[0],
+      price: offer.price,
+      additionalInfo: '',
+      title: offer.title
+    },
+    validations: validations,
+    onSubmit: fetchData
+  })
 
   const levelOptions = offer.proficiencyLevel.map((level) => ({
     title: level,
@@ -135,15 +157,27 @@ const EnrollOffer: FC<EnrollOfferProps> = ({ offer, enrollOffer }) => {
           onChange={handleFieldChange('price')}
           title={t('offerDetailsPage.enrollOffer.labels.preferredPrice')}
         />
-        <AppTextArea
-          fullWidth
-          label={t('offerDetailsPage.enrollOffer.labels.info')}
-          maxLength={1000}
-          onChange={handleInputChange('additionalInfo')}
-          sx={styles.textArea}
-          title={t('offerDetailsPage.enrollOffer.inputs.info')}
-          value={data.additionalInfo}
-        />
+        <Box>
+          <AppTextArea
+            fullWidth
+            label={t('offerDetailsPage.enrollOffer.labels.info')}
+            maxLength={1000}
+            minLength={30}
+            onChange={handleInputChange('additionalInfo')}
+            sx={styles.textArea}
+            title={t('offerDetailsPage.enrollOffer.inputs.info')}
+            value={data.additionalInfo}
+          />
+          {errors.additionalInfo && (
+            <Typography
+              color='error'
+              sx={styles.errorText}
+              variant={TypographyVariantEnum.Caption}
+            >
+              {t('offerDetailsPage.errors.additionalInfo')}
+            </Typography>
+          )}
+        </Box>
         <AppButton
           loading={loading}
           sx={styles.button}
diff --git a/tests/unit/containers/offer-details/enroll-offer/EnrollOffer.spec.jsx b/tests/unit/containers/offer-details/enroll-offer/EnrollOffer.spec.jsx
index 5ad675b24..5fc20b69d 100644
--- a/tests/unit/containers/offer-details/enroll-offer/EnrollOffer.spec.jsx
+++ b/tests/unit/containers/offer-details/enroll-offer/EnrollOffer.spec.jsx
@@ -35,6 +35,25 @@ describe('EnrollOffer', () => {
     expect(levelSelect.value).toBe(newLevel)
   })
 
+  it('should display error message', () => {
+    const newAdditionalInfo = 'Some text'
+    const additionalInfoInput = screen.getByLabelText(
+      'offerDetailsPage.enrollOffer.labels.info'
+    )
+    fireEvent.change(additionalInfoInput, {
+      target: { value: newAdditionalInfo }
+    })
+    expect(additionalInfoInput.value).toBe(newAdditionalInfo)
+
+    const button = screen.getByText('button.createCooperation')
+    waitFor(() => fireEvent.click(button))
+
+    const errorMessage = screen.getByText(
+      'offerDetailsPage.errors.additionalInfo'
+    )
+    expect(errorMessage).toBeInTheDocument()
+  })
+
   it('should send form', () => {
     const button = screen.getByText('button.createCooperation')