diff --git a/services/ui-src/src/measures/2021/globalValidations/index.ts b/services/ui-src/src/measures/2021/globalValidations/index.ts
index da16c2bb40..35ba909962 100644
--- a/services/ui-src/src/measures/2021/globalValidations/index.ts
+++ b/services/ui-src/src/measures/2021/globalValidations/index.ts
@@ -3,7 +3,7 @@ export * from "./omsValidator";
 export * as Types from "./types";
 
 export * from "shared/globalValidations/validateAtLeastOneDataSource";
-export * from "./validateAtLeastOneDeviationFieldFilled";
+export * from "shared/globalValidations/validateAtLeastOneDeviationFieldFilled";
 export * from "shared/globalValidations/validateAtLeastOneRateComplete";
 export * from "shared/globalValidations/validateBothDatesInRange";
 export * from "./validateDualPopInformation";
diff --git a/services/ui-src/src/measures/2021/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts b/services/ui-src/src/measures/2021/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts
deleted file mode 100644
index 6d347ef1da..0000000000
--- a/services/ui-src/src/measures/2021/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts
+++ /dev/null
@@ -1,135 +0,0 @@
-import * as DC from "dataConstants";
-import { test_setup } from "../testHelpers/_helper";
-import { testFormData } from "../testHelpers/_testFormData";
-import { getDeviationNDRArray } from "measures/2021/globalValidations";
-import { validateAtLeastOneDeviationFieldFilled } from ".";
-
-describe("validateAtLeastOneNDRInDeviationOfMeasureSpec", () => {
-  let formData: any = {};
-  let errorArray: FormError[];
-
-  const _run_validation = (
-    data: any,
-    noPM?: boolean,
-    errorMessage?: string
-  ): FormError[] => {
-    const { ageGroups, performanceMeasureArray } = test_setup(data);
-    const deviationArray = getDeviationNDRArray(
-      data.DeviationOptions,
-      data.Deviations,
-      true
-    );
-    const didCalculationsDeviate = data[DC.DID_CALCS_DEVIATE] === DC.YES;
-    return [
-      ...validateAtLeastOneDeviationFieldFilled(
-        noPM ? [[]] : performanceMeasureArray,
-        ageGroups,
-        deviationArray,
-        didCalculationsDeviate,
-        errorMessage
-      ),
-    ];
-  };
-
-  const _check_errors = (data: any, numErrors: number, noPM?: boolean) => {
-    errorArray = _run_validation(data, noPM);
-    expect(errorArray.length).toBe(numErrors);
-  };
-
-  beforeEach(() => {
-    formData = JSON.parse(JSON.stringify(testFormData)); // reset data
-    errorArray = [];
-  });
-
-  it("Default Form Data", () => {
-    _check_errors(formData, 0);
-  });
-
-  it("Calculations deviated, but somehow no performance measure data", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    _check_errors(formData, 0, true);
-  });
-
-  it("Calculations deviated, but no answer given", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    _check_errors(formData, 1);
-  });
-
-  it("Calculations deviated, but partial answer given", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    formData[DC.DEVIATION_OPTIONS] = ["Test"];
-    formData[DC.DEVIATIONS] = {
-      Test: {
-        [DC.RATE_DEVIATIONS_SELECTED]: ["numerator"],
-      },
-    };
-    _check_errors(formData, 1);
-  });
-
-  it("Calculations deviated, only numerator filled", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    formData[DC.DEVIATION_OPTIONS] = ["Test"];
-    formData[DC.DEVIATIONS] = {
-      Test: {
-        [DC.RATE_DEVIATIONS_SELECTED]: ["numerator"],
-        numerator: "testString",
-      },
-    };
-    _check_errors(formData, 0);
-  });
-
-  it("Calculations deviated, only denominator filled", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    formData[DC.DEVIATION_OPTIONS] = ["Test"];
-    formData[DC.DEVIATIONS] = {
-      Test: {
-        [DC.RATE_DEVIATIONS_SELECTED]: ["denominator"],
-        denominator: "testString",
-      },
-    };
-    _check_errors(formData, 0);
-  });
-
-  it("Calculations deviated, only other filled", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    formData[DC.DEVIATION_OPTIONS] = ["Test"];
-    formData[DC.DEVIATIONS] = {
-      Test: {
-        [DC.RATE_DEVIATIONS_SELECTED]: ["Other"],
-        other: "testString",
-      },
-    };
-    _check_errors(formData, 0);
-  });
-
-  it("Calculations deviated all fields filled", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    formData[DC.DEVIATION_OPTIONS] = ["Test"];
-    formData[DC.DEVIATIONS] = {
-      Test: {
-        [DC.RATE_DEVIATIONS_SELECTED]: ["numerator", "denominator", "Other"],
-        numerator: "testString",
-        denominator: "testString",
-        other: "testString",
-      },
-    };
-    _check_errors(formData, 0);
-  });
-
-  it("Error message text should match default errorMessage", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    errorArray = _run_validation(formData);
-    expect(errorArray.length).toBe(1);
-    expect(errorArray[0].errorMessage).toBe(
-      "At least one item must be selected and completed (Numerator, Denominator, or Other)"
-    );
-  });
-
-  it("Error message text should match provided errorMessage", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    const errorMessage = "Another one bites the dust.";
-    errorArray = _run_validation(formData, undefined, errorMessage);
-    expect(errorArray.length).toBe(1);
-    expect(errorArray[0].errorMessage).toBe(errorMessage);
-  });
-});
diff --git a/services/ui-src/src/measures/2022/shared/globalValidations/index.ts b/services/ui-src/src/measures/2022/shared/globalValidations/index.ts
index da16c2bb40..35ba909962 100644
--- a/services/ui-src/src/measures/2022/shared/globalValidations/index.ts
+++ b/services/ui-src/src/measures/2022/shared/globalValidations/index.ts
@@ -3,7 +3,7 @@ export * from "./omsValidator";
 export * as Types from "./types";
 
 export * from "shared/globalValidations/validateAtLeastOneDataSource";
-export * from "./validateAtLeastOneDeviationFieldFilled";
+export * from "shared/globalValidations/validateAtLeastOneDeviationFieldFilled";
 export * from "shared/globalValidations/validateAtLeastOneRateComplete";
 export * from "shared/globalValidations/validateBothDatesInRange";
 export * from "./validateDualPopInformation";
diff --git a/services/ui-src/src/measures/2022/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts b/services/ui-src/src/measures/2022/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts
deleted file mode 100644
index a5c7299fdd..0000000000
--- a/services/ui-src/src/measures/2022/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts
+++ /dev/null
@@ -1,81 +0,0 @@
-import * as Types from "shared/types";
-import { FormRateField } from "../types";
-import { LabelData } from "utils";
-
-// When a user inputs data in multiple NDR sets in a performance measure
-// Then the user must complete at least one NDR set in the Deviation of measure specification.
-export const validateAtLeastOneDeviationFieldFilled = (
-  performanceMeasureArray: FormRateField[][],
-  ageGroups: LabelData[],
-  deviationArray: Types.DeviationFields[] | any,
-  didCalculationsDeviate: boolean,
-  errorMessage?: string
-) => {
-  let errorArray: FormError[] = [];
-  let ndrCount = 0;
-  let atLeastOneDevNDR: boolean = false;
-  let isCCWAD: boolean = false;
-
-  if (didCalculationsDeviate) {
-    ageGroups.forEach((_ageGroup, i) => {
-      performanceMeasureArray?.forEach((_performanceObj, index) => {
-        if (
-          performanceMeasureArray[index] &&
-          performanceMeasureArray[index][i] &&
-          performanceMeasureArray[index][i].denominator &&
-          performanceMeasureArray[index][i].numerator &&
-          performanceMeasureArray[index][i].rate
-        ) {
-          // CCW-AD
-          if (
-            performanceMeasureArray[index][i].label ===
-            "All Women Ages 21 to 44"
-          ) {
-            isCCWAD = true;
-          }
-          ndrCount++;
-        }
-      });
-    });
-
-    if (ndrCount > 0) {
-      deviationArray.forEach((deviationNDR: any) => {
-        // CCW-AD validation
-        let selectedOptions;
-        if (isCCWAD) {
-          selectedOptions = deviationNDR.SelectedOptions[0];
-          if (
-            deviationNDR[selectedOptions].denominator ||
-            deviationNDR[selectedOptions].numerator ||
-            deviationNDR[selectedOptions].other
-          ) {
-            atLeastOneDevNDR = true;
-          } else {
-            atLeastOneDevNDR = false;
-          }
-        } else {
-          if (
-            deviationNDR?.denominator ||
-            deviationNDR?.numerator ||
-            deviationNDR?.other
-          ) {
-            atLeastOneDevNDR = true;
-          } else {
-            atLeastOneDevNDR = false;
-          }
-        }
-        return atLeastOneDevNDR;
-      });
-
-      if (!atLeastOneDevNDR) {
-        errorArray.push({
-          errorLocation: "Deviations from Measure Specifications",
-          errorMessage:
-            errorMessage ??
-            "At least one item must be selected and completed (Numerator, Denominator, or Other)",
-        });
-      }
-    }
-  }
-  return errorArray;
-};
diff --git a/services/ui-src/src/measures/2022/shared/util/validationsMock.tsx b/services/ui-src/src/measures/2022/shared/util/validationsMock.tsx
index ce6b071d9f..220bd0e6d3 100644
--- a/services/ui-src/src/measures/2022/shared/util/validationsMock.tsx
+++ b/services/ui-src/src/measures/2022/shared/util/validationsMock.tsx
@@ -1,5 +1,5 @@
 import * as validateAtLeastOneDataSource from "shared/globalValidations/validateAtLeastOneDataSource";
-import * as validateAtLeastOneDeviationFieldFilled from "measures/2022/shared/globalValidations/validateAtLeastOneDeviationFieldFilled";
+import * as validateAtLeastOneDeviationFieldFilled from "shared/globalValidations/validateAtLeastOneDeviationFieldFilled";
 import * as validateAtLeastOneRateComplete from "shared/globalValidations/validateAtLeastOneRateComplete";
 import * as validateBothDatesInRange from "shared/globalValidations/validateBothDatesInRange";
 import * as validateDualPopInformation from "measures/2022/shared/globalValidations/validateDualPopInformation";
diff --git a/services/ui-src/src/measures/2023/shared/globalValidations/index.ts b/services/ui-src/src/measures/2023/shared/globalValidations/index.ts
index 3381a22ba8..e1ce5a0779 100644
--- a/services/ui-src/src/measures/2023/shared/globalValidations/index.ts
+++ b/services/ui-src/src/measures/2023/shared/globalValidations/index.ts
@@ -6,7 +6,7 @@ export * from "shared/globalValidations/validateAtLeastOneDataSource";
 export * from "shared/globalValidations/validateAtLeastOneDefinitionOfPopulation";
 export * from "./validateAtLeastOneDataSourceType";
 export * from "shared/globalValidations/validateAtLeastOneDeliverySystem";
-export * from "./validateAtLeastOneDeviationFieldFilled";
+export * from "shared/globalValidations/validateDeviationTextFieldFilled";
 export * from "shared/globalValidations/validateAtLeastOneRateComplete";
 export * from "shared/globalValidations/validateBothDatesInRange";
 export * from "shared/globalValidations/validateDateRangeRadioButtonCompletion";
diff --git a/services/ui-src/src/measures/2023/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts b/services/ui-src/src/measures/2023/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts
deleted file mode 100644
index 45e75228e1..0000000000
--- a/services/ui-src/src/measures/2023/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-// When a user indicates that there is a deviation, they must add an explanation in the textarea.
-export const validateAtLeastOneDeviationFieldFilled = (
-  didCalculationsDeviate: boolean,
-  deviationReason: string,
-  errorMessage?: string
-) => {
-  let errorArray: FormError[] = [];
-  let reasonGiven: boolean = false;
-
-  if (didCalculationsDeviate) {
-    if (!!deviationReason) {
-      reasonGiven = true;
-    }
-
-    if (!reasonGiven) {
-      errorArray.push({
-        errorLocation: "Deviations from Measure Specifications",
-        errorMessage: errorMessage ?? "Deviation(s) must be explained",
-      });
-    }
-  }
-  return errorArray;
-};
diff --git a/services/ui-src/src/measures/2023/shared/util/validationsMock.tsx b/services/ui-src/src/measures/2023/shared/util/validationsMock.tsx
index b96fbd0309..97c974bf11 100644
--- a/services/ui-src/src/measures/2023/shared/util/validationsMock.tsx
+++ b/services/ui-src/src/measures/2023/shared/util/validationsMock.tsx
@@ -2,7 +2,7 @@ import * as validateAtLeastOneDataSource from "shared/globalValidations/validate
 import * as validateAtLeastOneDefinitionOfPopulation from "shared/globalValidations/validateAtLeastOneDefinitionOfPopulation";
 import * as validateAtLeastOneDataSourceType from "measures/2023/shared/globalValidations/validateAtLeastOneDataSourceType";
 import * as validateAtLeastOneDeliverySystem from "shared/globalValidations/validateAtLeastOneDeliverySystem";
-import * as validateAtLeastOneDeviationFieldFilled from "measures/2023/shared/globalValidations/validateAtLeastOneDeviationFieldFilled";
+import * as validateAtLeastOneDeviationFieldFilled from "shared/globalValidations/validateDeviationTextFieldFilled";
 import * as validateAtLeastOneRateComplete from "shared/globalValidations/validateAtLeastOneRateComplete";
 import * as validateBothDatesInRange from "shared/globalValidations/validateBothDatesInRange";
 import * as validateDualPopInformation from "measures/2023/shared/globalValidations/validateDualPopInformation";
diff --git a/services/ui-src/src/measures/2024/shared/globalValidations/index.ts b/services/ui-src/src/measures/2024/shared/globalValidations/index.ts
index 9ebc576fec..b9b2b0d0c1 100644
--- a/services/ui-src/src/measures/2024/shared/globalValidations/index.ts
+++ b/services/ui-src/src/measures/2024/shared/globalValidations/index.ts
@@ -7,7 +7,7 @@ export * from "shared/globalValidations/validateAtLeastOneDefinitionOfPopulation
 export * from "shared/globalValidations/validateHybridMeasurePopulation";
 export * from "./validateAtLeastOneDataSourceType";
 export * from "shared/globalValidations/validateAtLeastOneDeliverySystem";
-export * from "./validateAtLeastOneDeviationFieldFilled";
+export * from "shared/globalValidations/validateDeviationTextFieldFilled";
 export * from "shared/globalValidations/validateAtLeastOneRateComplete";
 export * from "shared/globalValidations/validateBothDatesInRange";
 export * from "shared/globalValidations/validateDateRangeRadioButtonCompletion";
diff --git a/services/ui-src/src/measures/2024/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts b/services/ui-src/src/measures/2024/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts
deleted file mode 100644
index d45e607aee..0000000000
--- a/services/ui-src/src/measures/2024/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts
+++ /dev/null
@@ -1,61 +0,0 @@
-import * as DC from "dataConstants";
-import { testFormData } from "../testHelpers/_testFormData";
-import { validateAtLeastOneDeviationFieldFilled } from ".";
-
-describe("validateAtLeastOneNDRInDeviationOfMeasureSpec", () => {
-  let formData: any = {};
-  let errorArray: FormError[];
-
-  const _run_validation = (data: any, errorMessage?: string): FormError[] => {
-    const didCalculationsDeviate = data[DC.DID_CALCS_DEVIATE] === DC.YES;
-    const deviationReason = data[DC.DEVIATION_REASON];
-    return [
-      ...validateAtLeastOneDeviationFieldFilled(
-        didCalculationsDeviate,
-        deviationReason,
-        errorMessage
-      ),
-    ];
-  };
-
-  const _check_errors = (data: any, numErrors: number) => {
-    errorArray = _run_validation(data);
-    expect(errorArray.length).toBe(numErrors);
-  };
-
-  beforeEach(() => {
-    formData = JSON.parse(JSON.stringify(testFormData)); // reset data
-    errorArray = [];
-  });
-
-  it("Default Form Data", () => {
-    _check_errors(formData, 0);
-  });
-
-  it("Calculations deviated, but no answer given", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    _check_errors(formData, 1);
-  });
-
-  it("Calculations deviated, reason given", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    formData[DC.DEVIATION_OPTIONS] = ["Test"];
-    formData[DC.DEVIATION_REASON] = "Deviation Reason Here";
-    _check_errors(formData, 0);
-  });
-
-  it("Error message text should match default errorMessage", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    errorArray = _run_validation(formData);
-    expect(errorArray.length).toBe(1);
-    expect(errorArray[0].errorMessage).toBe("Deviation(s) must be explained");
-  });
-
-  it("Error message text should match provided errorMessage", () => {
-    formData[DC.DID_CALCS_DEVIATE] = DC.YES;
-    const errorMessage = "Another one bites the dust.";
-    errorArray = _run_validation(formData, errorMessage);
-    expect(errorArray.length).toBe(1);
-    expect(errorArray[0].errorMessage).toBe(errorMessage);
-  });
-});
diff --git a/services/ui-src/src/measures/2024/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts b/services/ui-src/src/measures/2024/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts
deleted file mode 100644
index 45e75228e1..0000000000
--- a/services/ui-src/src/measures/2024/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-// When a user indicates that there is a deviation, they must add an explanation in the textarea.
-export const validateAtLeastOneDeviationFieldFilled = (
-  didCalculationsDeviate: boolean,
-  deviationReason: string,
-  errorMessage?: string
-) => {
-  let errorArray: FormError[] = [];
-  let reasonGiven: boolean = false;
-
-  if (didCalculationsDeviate) {
-    if (!!deviationReason) {
-      reasonGiven = true;
-    }
-
-    if (!reasonGiven) {
-      errorArray.push({
-        errorLocation: "Deviations from Measure Specifications",
-        errorMessage: errorMessage ?? "Deviation(s) must be explained",
-      });
-    }
-  }
-  return errorArray;
-};
diff --git a/services/ui-src/src/measures/2024/shared/util/validationsMock.tsx b/services/ui-src/src/measures/2024/shared/util/validationsMock.tsx
index eb4ebce901..718f6bbfc4 100644
--- a/services/ui-src/src/measures/2024/shared/util/validationsMock.tsx
+++ b/services/ui-src/src/measures/2024/shared/util/validationsMock.tsx
@@ -2,7 +2,7 @@ import * as validateAtLeastOneDataSource from "shared/globalValidations/validate
 import * as validateAtLeastOneDefinitionOfPopulation from "shared/globalValidations/validateAtLeastOneDefinitionOfPopulation";
 import * as validateAtLeastOneDataSourceType from "measures/2024/shared/globalValidations/validateAtLeastOneDataSourceType";
 import * as validateAtLeastOneDeliverySystem from "shared/globalValidations/validateAtLeastOneDeliverySystem";
-import * as validateAtLeastOneDeviationFieldFilled from "measures/2024/shared/globalValidations/validateAtLeastOneDeviationFieldFilled";
+import * as validateAtLeastOneDeviationFieldFilled from "shared/globalValidations/validateDeviationTextFieldFilled";
 import * as validateAtLeastOneRateComplete from "shared/globalValidations/validateAtLeastOneRateComplete";
 import * as validateBothDatesInRange from "shared/globalValidations/validateBothDatesInRange";
 import * as validateDualPopInformation from "measures/2024/shared/globalValidations/validateDualPopInformation";
diff --git a/services/ui-src/src/measures/2022/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts b/services/ui-src/src/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts
similarity index 95%
rename from services/ui-src/src/measures/2022/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts
rename to services/ui-src/src/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts
index 20b9f8a65f..abf26a43da 100644
--- a/services/ui-src/src/measures/2022/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts
+++ b/services/ui-src/src/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts
@@ -1,6 +1,6 @@
 import * as DC from "dataConstants";
-import { test_setup } from "../testHelpers/_helper";
-import { testFormData } from "../testHelpers/_testFormData";
+import { test_setup } from "measures/2022/shared/globalValidations/testHelpers/_helper";
+import { testFormData } from "measures/2022/shared/globalValidations/testHelpers/_testFormData";
 import { getDeviationNDRArray } from "measures/2022/shared/globalValidations";
 import { validateAtLeastOneDeviationFieldFilled } from ".";
 
diff --git a/services/ui-src/src/measures/2021/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts b/services/ui-src/src/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts
similarity index 97%
rename from services/ui-src/src/measures/2021/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts
rename to services/ui-src/src/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts
index a5c7299fdd..08955f582d 100644
--- a/services/ui-src/src/measures/2021/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts
+++ b/services/ui-src/src/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.ts
@@ -1,5 +1,5 @@
 import * as Types from "shared/types";
-import { FormRateField } from "../types";
+import { FormRateField } from "shared/types/TypeValidations";
 import { LabelData } from "utils";
 
 // When a user inputs data in multiple NDR sets in a performance measure
diff --git a/services/ui-src/src/measures/2023/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts b/services/ui-src/src/shared/globalValidations/validateDeviationTextFieldFilled/index.test.ts
similarity index 92%
rename from services/ui-src/src/measures/2023/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts
rename to services/ui-src/src/shared/globalValidations/validateDeviationTextFieldFilled/index.test.ts
index d45e607aee..de43e51e58 100644
--- a/services/ui-src/src/measures/2023/shared/globalValidations/validateAtLeastOneDeviationFieldFilled/index.test.ts
+++ b/services/ui-src/src/shared/globalValidations/validateDeviationTextFieldFilled/index.test.ts
@@ -1,5 +1,5 @@
 import * as DC from "dataConstants";
-import { testFormData } from "../testHelpers/_testFormData";
+import { testFormData } from "measures/2024/shared/globalValidations/testHelpers/_testFormData";
 import { validateAtLeastOneDeviationFieldFilled } from ".";
 
 describe("validateAtLeastOneNDRInDeviationOfMeasureSpec", () => {
@@ -48,7 +48,7 @@ describe("validateAtLeastOneNDRInDeviationOfMeasureSpec", () => {
     formData[DC.DID_CALCS_DEVIATE] = DC.YES;
     errorArray = _run_validation(formData);
     expect(errorArray.length).toBe(1);
-    expect(errorArray[0].errorMessage).toBe("Deviation(s) must be explained");
+    expect(errorArray[0].errorMessage).toBe("Variation(s) must be explained");
   });
 
   it("Error message text should match provided errorMessage", () => {
diff --git a/services/ui-src/src/shared/globalValidations/validateDeviationTextFieldFilled/index.ts b/services/ui-src/src/shared/globalValidations/validateDeviationTextFieldFilled/index.ts
new file mode 100644
index 0000000000..71e7285461
--- /dev/null
+++ b/services/ui-src/src/shared/globalValidations/validateDeviationTextFieldFilled/index.ts
@@ -0,0 +1,45 @@
+import { getMeasureYear } from "utils/getMeasureYear";
+
+// When a user indicates that there is a deviation, they must add an explanation in the textarea.
+const getLabels = (year: number) => {
+  switch (year) {
+    case 2021:
+    case 2022:
+    case 2023:
+      return {
+        location: "Deviations from Measure Specifications",
+        message: "Deviation(s) must be explained",
+      };
+    default:
+      return {
+        location: "Variations from Measure Specifications",
+        message: "Variation(s) must be explained",
+      };
+  }
+};
+
+export const validateAtLeastOneDeviationFieldFilled = (
+  didCalculationsDeviate: boolean,
+  deviationReason: string,
+  errorMessage?: string
+) => {
+  let errorArray: FormError[] = [];
+  let reasonGiven: boolean = false;
+
+  const year = getMeasureYear();
+  const labels = getLabels(year);
+
+  if (didCalculationsDeviate) {
+    if (!!deviationReason) {
+      reasonGiven = true;
+    }
+
+    if (!reasonGiven) {
+      errorArray.push({
+        errorLocation: labels.location,
+        errorMessage: errorMessage ?? labels.message,
+      });
+    }
+  }
+  return errorArray;
+};