diff --git a/types/react-tag-autocomplete/index.d.ts b/types/react-tag-autocomplete/index.d.ts
index 15273e3918..80a088f8a8 100644
--- a/types/react-tag-autocomplete/index.d.ts
+++ b/types/react-tag-autocomplete/index.d.ts
@@ -1,6 +1,7 @@
 // Type definitions for react-tag-autocomplete 5.6
 // Project: https://github.com/i-like-robots/react-tags#readme
 // Definitions by: James Lismore <https://github.com/jlismore>
+//                 Rahul Sagore <https://github.com/Rahul-Sagore>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.8
 
@@ -81,6 +82,10 @@ export interface ReactTagsProps {
      * Optional event handler when the input changes. Receives the current input value.
      */
     handleInputChange?: (input: string) => void;
+    /**
+     * Optional validation function that determines if tag should be added to tags. Receives a tag object. Should return a boolean.
+     */
+    handleValidate?: (tag: Tag) => boolean;
     /**
      * An object containing additional attributes that will be applied to the underlying <input /> field.
      */
diff --git a/types/react-tag-autocomplete/react-tag-autocomplete-tests.tsx b/types/react-tag-autocomplete/react-tag-autocomplete-tests.tsx
index 0777d682da..d42f07ff8f 100644
--- a/types/react-tag-autocomplete/react-tag-autocomplete-tests.tsx
+++ b/types/react-tag-autocomplete/react-tag-autocomplete-tests.tsx
@@ -30,6 +30,7 @@ class TestAll extends React.Component {
         const onBlur = () => {};
         const onFocus = () => {};
         const onInputChange = (input: string) => {};
+        const onValidate = (tag: { id: string | number; name: string }) => true;
         const inputAttributes = { maxLength: 10 };
         const suggestions = [
             { id: 3, name: "Bananas" },
@@ -55,6 +56,7 @@ class TestAll extends React.Component {
                 handleDelete={onDeleteTag}
                 handleFocus={onFocus}
                 handleInputChange={onInputChange}
+                handleValidate={onValidate}
                 inputAttributes={inputAttributes}
                 maxSuggestionsLength={10}
                 minQueryLength={5}