diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7261cd3b..ec248cad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## 8.1.0 (IN PROGRESS)
 
 * Invoice is not loaded if related vendor organization was deleted. Refs UINV-634.
+* Do not send cancellation note when duplicating cancelled invoices. Refs UINV-636.
 
 ## [8.0.0](https://github.com/folio-org/ui-invoice/tree/v8.0.0) (2026-04-17)
 [Full Changelog](https://github.com/folio-org/ui-invoice/compare/v7.0.5...v8.0.0)
diff --git a/src/invoices/InvoiceDetails/constants.js b/src/invoices/InvoiceDetails/constants.js
index e8bf1995..ada7f77a 100644
--- a/src/invoices/InvoiceDetails/constants.js
+++ b/src/invoices/InvoiceDetails/constants.js
@@ -11,6 +11,7 @@ export const ACQ_ERROR_TYPE = {
 export const INVOICE_OMITTED_FIELDS = [
   'approvalDate',
   'approvedBy',
+  'cancellationNote',
   'documents',
   'fiscalYearId',
   'id',
diff --git a/src/invoices/InvoicesList/InvoicesListFilters/__snapshots__/InvoicesListFilters.test.js.snap b/src/invoices/InvoicesList/InvoicesListFilters/__snapshots__/InvoicesListFilters.test.js.snap
index 3c580e88..e66b7346 100644
--- a/src/invoices/InvoicesList/InvoicesListFilters/__snapshots__/InvoicesListFilters.test.js.snap
+++ b/src/invoices/InvoicesList/InvoicesListFilters/__snapshots__/InvoicesListFilters.test.js.snap
@@ -368,7 +368,7 @@ exports[`InvoicesListFilters should render correct structure 1`] = `
             class="textField"
           >
             <div
-              class="formControl marginBottom0 disabled inputGroup isDisabled"
+              class="formControl marginBottom0 isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -2526,7 +2526,7 @@ exports[`InvoicesListFilters should render correct structure 1`] = `
             class="textField"
           >
             <div
-              class="formControl marginBottom0 disabled inputGroup isDisabled"
+              class="formControl marginBottom0 isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -2820,7 +2820,7 @@ exports[`InvoicesListFilters should render correct structure 1`] = `
             class="textField"
           >
             <div
-              class="formControl marginBottom0 disabled inputGroup isDisabled"
+              class="formControl marginBottom0 isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -3114,7 +3114,7 @@ exports[`InvoicesListFilters should render correct structure 1`] = `
             class="textField"
           >
             <div
-              class="formControl marginBottom0 disabled inputGroup isDisabled"
+              class="formControl marginBottom0 isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -3408,7 +3408,7 @@ exports[`InvoicesListFilters should render correct structure 1`] = `
             class="textField"
           >
             <div
-              class="formControl marginBottom0 disabled inputGroup isDisabled"
+              class="formControl marginBottom0 isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -4042,7 +4042,7 @@ exports[`InvoicesListFilters should render correct structure when disabled 1`] =
             class="textField"
           >
             <div
-              class="formControl marginBottom0 disabled inputGroup isDisabled"
+              class="formControl marginBottom0 isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -6033,7 +6033,7 @@ exports[`InvoicesListFilters should render correct structure when disabled 1`] =
               stripes-acq-components.filter.numberRange.min
             </label>
             <div
-              class="formControl disabled inputGroup isDisabled"
+              class="formControl isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -6061,7 +6061,7 @@ exports[`InvoicesListFilters should render correct structure when disabled 1`] =
               stripes-acq-components.filter.numberRange.max
             </label>
             <div
-              class="formControl disabled inputGroup isDisabled"
+              class="formControl isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -6157,7 +6157,7 @@ exports[`InvoicesListFilters should render correct structure when disabled 1`] =
               stripes-acq-components.filter.numberRange.min
             </label>
             <div
-              class="formControl disabled inputGroup isDisabled"
+              class="formControl isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -6185,7 +6185,7 @@ exports[`InvoicesListFilters should render correct structure when disabled 1`] =
               stripes-acq-components.filter.numberRange.max
             </label>
             <div
-              class="formControl disabled inputGroup isDisabled"
+              class="formControl isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -6281,7 +6281,7 @@ exports[`InvoicesListFilters should render correct structure when disabled 1`] =
             class="textField"
           >
             <div
-              class="formControl marginBottom0 disabled inputGroup isDisabled"
+              class="formControl marginBottom0 isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -6575,7 +6575,7 @@ exports[`InvoicesListFilters should render correct structure when disabled 1`] =
             class="textField"
           >
             <div
-              class="formControl marginBottom0 disabled inputGroup isDisabled"
+              class="formControl marginBottom0 isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -6869,7 +6869,7 @@ exports[`InvoicesListFilters should render correct structure when disabled 1`] =
             class="textField"
           >
             <div
-              class="formControl marginBottom0 disabled inputGroup isDisabled"
+              class="formControl marginBottom0 isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"
@@ -7163,7 +7163,7 @@ exports[`InvoicesListFilters should render correct structure when disabled 1`] =
             class="textField"
           >
             <div
-              class="formControl marginBottom0 disabled inputGroup isDisabled"
+              class="formControl marginBottom0 isDisabled inputGroup isDisabled"
             >
               <input
                 aria-invalid="false"