diff --git a/app/uk/gov/hmrc/corporationtax/utils/TaxDescriptionHelper.scala b/app/uk/gov/hmrc/corporationtax/utils/TaxDescriptionHelper.scala
new file mode 100644
index 0000000..b3fa62a
--- /dev/null
+++ b/app/uk/gov/hmrc/corporationtax/utils/TaxDescriptionHelper.scala
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2026 HM Revenue & Customs
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package uk.gov.hmrc.corporationtax.utils
+
+import play.api.i18n.Messages
+
+import scala.concurrent.Future
+
+class TaxDescriptionHelper {
+
+  def getTaxDescription(assessmentType: String, correctionClaim: String)(implicit messages: Messages): Future[String] =
+    Future.successful {
+      val messageType = correctionClaim match {
+        case "0" => "standard"
+        case "2" => "claim"
+        case _   => "standard"
+      }
+
+      val result = messages(s"taxDescription.assessment.${assessmentType.toLowerCase()}.$messageType");
+
+      result
+    }
+
+}
diff --git a/conf/messages.en b/conf/messages.en
new file mode 100644
index 0000000..3ad51ec
--- /dev/null
+++ b/conf/messages.en
@@ -0,0 +1,20 @@
+taxDescription.assessment.a.standard = Amended assessment
+taxDescription.assessment.a.claim = Amended assessment (claim)
+taxDescription.assessment.d.standard = Discovery assessment
+taxDescription.assessment.d.claim = Discovery assessment (claim)
+taxDescription.assessment.e.standard = HMRC determination
+taxDescription.assessment.e.claim = HMRC determination (claim)
+taxDescription.assessment.f.standard = Further assessment
+taxDescription.assessment.f.claim = Further assessment (claim)
+taxDescription.assessment.j.standard = HMRC amended self assessment
+taxDescription.assessment.j.claim = HMRC amended self assessment (claim)
+taxDescription.assessment.m.standard = Main assessment
+taxDescription.assessment.m.claim = Main assessment (claim)
+taxDescription.assessment.r.standard = HMRC amended self assessment
+taxDescription.assessment.r.claim = HMRC amended self assessment (claim)
+taxDescription.assessment.s.standard = Self assessment
+taxDescription.assessment.s.claim = Self assessment (claim)
+taxDescription.assessment.t.standard = Taxpayer amended self assessment
+taxDescription.assessment.t.claim = Taxpayer amended self assessment (claim)
+taxDescription.assessment.z.standard = Return charge
+taxDescription.assessment.z.claim = Return charge (claim)
\ No newline at end of file
diff --git a/test/uk/gov/hmrc/corporationtax/utils/TaxDescriptionHelperSpec.scala b/test/uk/gov/hmrc/corporationtax/utils/TaxDescriptionHelperSpec.scala
new file mode 100644
index 0000000..f1e4810
--- /dev/null
+++ b/test/uk/gov/hmrc/corporationtax/utils/TaxDescriptionHelperSpec.scala
@@ -0,0 +1,364 @@
+/*
+ * Copyright 2026 HM Revenue & Customs
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package uk.gov.hmrc.corporationtax.utils
+
+import org.scalatest.matchers.must.Matchers
+import org.scalatest.wordspec.AnyWordSpec
+import org.scalatest.concurrent.ScalaFutures
+import play.api.i18n.{DefaultMessagesApi, Lang, Messages}
+
+class TaxDescriptionHelperSpec extends AnyWordSpec with Matchers with ScalaFutures {
+
+  implicit val messages: Messages = new DefaultMessagesApi(
+    Map(
+      "en" -> Map(
+        "taxDescription.assessment.a.standard" -> "Amended assessment",
+        "taxDescription.assessment.a.claim"    -> "Amended assessment (claim)",
+        "taxDescription.assessment.d.standard" -> "Discovery assessment",
+        "taxDescription.assessment.d.claim"    -> "Discovery assessment (claim)",
+        "taxDescription.assessment.e.standard" -> "HMRC determination",
+        "taxDescription.assessment.e.claim"    -> "HMRC determination (claim)",
+        "taxDescription.assessment.f.standard" -> "Further assessment",
+        "taxDescription.assessment.f.claim"    -> "Further assessment (claim)",
+        "taxDescription.assessment.j.standard" -> "HMRC amended self assessment",
+        "taxDescription.assessment.j.claim"    -> "HMRC amended self assessment (claim)",
+        "taxDescription.assessment.m.standard" -> "Main assessment",
+        "taxDescription.assessment.m.claim"    -> "Main assessment (claim)",
+        "taxDescription.assessment.r.standard" -> "HMRC amended self assessment",
+        "taxDescription.assessment.r.claim"    -> "HMRC amended self assessment (claim)",
+        "taxDescription.assessment.s.standard" -> "Self assessment",
+        "taxDescription.assessment.s.claim"    -> "Self assessment (claim)",
+        "taxDescription.assessment.t.standard" -> "Taxpayer amended self assessment",
+        "taxDescription.assessment.t.claim"    -> "Taxpayer amended self assessment (claim)",
+        "taxDescription.assessment.z.standard" -> "Return charge",
+        "taxDescription.assessment.z.claim"    -> "Return charge (claim)"
+      )
+    )
+  ).preferred(Seq(Lang("en")))
+
+  private val taxDescriptionHelper = new TaxDescriptionHelper();
+
+  s"Assessment Type is A, it should return correct Tax Description" should {
+    val assessmentType = "A"
+
+    "when Correction Claim Indicator is null" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, null).futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 0" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "0").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 2" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "2").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.claim"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+  }
+
+  s"Assessment Type is D, it should return correct Tax Description" should {
+    val assessmentType = "D"
+
+    "when Correction Claim Indicator is null" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, null).futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 0" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "0").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 2" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "2").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.claim"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+  }
+
+  s"Assessment Type is E, it should return correct Tax Description" should {
+    val assessmentType = "E"
+
+    "when Correction Claim Indicator is null" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, null).futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 0" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "0").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 2" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "2").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.claim"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+  }
+
+  s"Assessment Type is F, it should return correct Tax Description" should {
+    val assessmentType = "F"
+
+    "when Correction Claim Indicator is null" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, null).futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 0" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "0").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 2" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "2").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.claim"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+  }
+
+  s"Assessment Type is J, it should return correct Tax Description" should {
+    val assessmentType = "J"
+
+    "when Correction Claim Indicator is null" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, null).futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 0" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "0").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 2" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "2").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.claim"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+  }
+
+  s"Assessment Type is M, it should return correct Tax Description" should {
+    val assessmentType = "M"
+
+    "when Correction Claim Indicator is null" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, null).futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 0" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "0").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 2" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "2").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.claim"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+  }
+
+  s"Assessment Type is R, it should return correct Tax Description" should {
+    val assessmentType = "M"
+
+    "when Correction Claim Indicator is null" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, null).futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 0" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "0").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 2" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "2").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.claim"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+  }
+
+  s"Assessment Type is S, it should return correct Tax Description" should {
+    val assessmentType = "S"
+
+    "when Correction Claim Indicator is null" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, null).futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 0" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "0").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 2" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "2").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.claim"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+  }
+
+  s"Assessment Type is T, it should return correct Tax Description" should {
+    val assessmentType = "T"
+
+    "when Correction Claim Indicator is null" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, null).futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 0" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "0").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 2" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "2").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.claim"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+  }
+
+  s"Assessment Type is Z, it should return correct Tax Description" should {
+    val assessmentType = "Z"
+
+    "when Correction Claim Indicator is null" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, null).futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 0" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "0").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.standard"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+
+    "when Correction Claim Indicator is 2" in {
+      val result: String = taxDescriptionHelper.getTaxDescription(assessmentType, "2").futureValue
+
+      val messageName    = s"taxDescription.assessment.${assessmentType.toLowerCase()}.claim"
+      val expectedResult = messages(messageName)
+
+      result mustBe expectedResult
+    }
+  }
+}