diff --git a/i18n/ante/en.json b/i18n/ante/en.json
index 719b266a..807244c9 100644
--- a/i18n/ante/en.json
+++ b/i18n/ante/en.json
@@ -5,7 +5,7 @@
     "deputy.ante.edit": "Modify content attribution notices for this page",
     "deputy.ante.add": "Add a notice",
     "deputy.ante.mergeAll": "Merge all notices",
-    "deputy.ante.mergeAll.confirm": "You are about to merge $1 {{PLURAL:$1|notice|notices}}. Continue?",
+    "deputy.ante.mergeAll.confirm": "You are about to merge $1 {{PLURAL:$1|notice|notices}} which support rows. Continue?",
     "deputy.ante.reset": "Reset all changes",
     "deputy.ante.reset.confirm": "This will reset all changes. Proceed?",
     "deputy.ante.delete": "Delete all notices",
diff --git a/src/modules/ante/models/CTEParsoidDocument.ts b/src/modules/ante/models/CTEParsoidDocument.ts
index f90e178e..79525d01 100644
--- a/src/modules/ante/models/CTEParsoidDocument.ts
+++ b/src/modules/ante/models/CTEParsoidDocument.ts
@@ -9,6 +9,8 @@ import TemplateInsertEvent from '../events/TemplateInsertEvent';
 import { CTEParsoidTransclusionTemplateNode } from './CTEParsoidTransclusionTemplateNode';
 import TemplateFactory from './TemplateFactory';
 import moveToStart from '../../../util/moveToStart';
+import RowedAttributionNotice from './RowedAttributionNotice';
+import organize from '../../../util/organize';
 
 /**
  * An object containing an {@link HTMLIFrameElement} along with helper functions
@@ -111,6 +113,15 @@ export default class CTEParsoidDocument extends ParsoidDocument {
 		return notices;
 	}
 
+	findRowedNoticesByHref(): Record<string, RowedAttributionNotice<any>[]> {
+		return organize(
+			this.findNotices().filter(
+				v => v instanceof RowedAttributionNotice
+			) as RowedAttributionNotice<any>[],
+			(v) => v.node.getTarget().href
+		);
+	}
+
 	/**
 	 * Finds this document's {{copied}} notices.
 	 *
diff --git a/src/modules/ante/models/TemplateMerger.ts b/src/modules/ante/models/TemplateMerger.ts
index 11ec042e..6129557c 100644
--- a/src/modules/ante/models/TemplateMerger.ts
+++ b/src/modules/ante/models/TemplateMerger.ts
@@ -1,4 +1,5 @@
-import type CopiedTemplate from './templates/CopiedTemplate';
+import RowedAttributionNotice from './RowedAttributionNotice';
+import { AttributionNoticeRow } from './AttributionNoticeRow';
 
 /**
  * Merges templates together. Its own class to avoid circular dependencies.
@@ -13,11 +14,14 @@ export default class TemplateMerger {
 	 * @param pivot The template to merge into. If not supplied, the first template
 	 *              in the list will be used.
 	 */
-	static copied( templateList: CopiedTemplate[], pivot?: CopiedTemplate ) {
+	static merge<T extends RowedAttributionNotice<any>>( templateList: T[], pivot?: T ) {
 		pivot = pivot ?? templateList[ 0 ];
 		while ( templateList.length > 0 ) {
 			const template = templateList[ 0 ];
 			if ( template !== pivot ) {
+				if ( template.node.getTarget().href !== pivot.node.getTarget().href ) {
+					throw new Error("Attempted to merge incompatible templates.");
+				}
 				pivot.merge( template, { delete: true } );
 			}
 			// Pop the pivot template out of the list.
diff --git a/src/modules/ante/ui/CopiedTemplateEditorDialog.tsx b/src/modules/ante/ui/CopiedTemplateEditorDialog.tsx
index 6344c2ba..978f905e 100644
--- a/src/modules/ante/ui/CopiedTemplateEditorDialog.tsx
+++ b/src/modules/ante/ui/CopiedTemplateEditorDialog.tsx
@@ -235,27 +235,28 @@ function initCopiedTemplateEditorDialog() {
 				invisibleLabel: true,
 				label: mw.msg( 'deputy.ante.mergeAll' ),
 				title: mw.msg( 'deputy.ante.mergeAll' ),
-				disabled: true
 			} );
-			// TODO: Repair mergeButton
 			this.mergeButton.on( 'click', () => {
-				const notices = this.parsoid.findNoticeType( 'copied' );
-				if ( notices.length > 1 ) {
-					return OO.ui.confirm(
+				const notices = this.parsoid.findRowedNoticesByHref();
+				const noticeCount = Object.values(notices)
+					.filter( v => v.length > 1 )
+					.reduce( (p, n) => p + n.length, 0 );
+				return noticeCount ?
+					OO.ui.confirm(
 						mw.message(
 							'deputy.ante.mergeAll.confirm',
-							`${notices.length}`
+							`${noticeCount}`
 						).text()
 					).done( ( confirmed: boolean ) => {
 						if ( !confirmed ) {
 							return;
 						}
 
-						TemplateMerger.copied( notices );
-					} );
-				} else {
-					return OO.ui.alert( 'There are no templates to merge.' );
-				}
+						for ( const noticeSet of Object.values(notices)) {
+							TemplateMerger.merge(noticeSet);
+						}
+					} ) :
+					OO.ui.alert( 'There are no templates to merge.' );
 			} );
 
 			const resetButton = new OO.ui.ButtonWidget( {
@@ -322,16 +323,16 @@ function initCopiedTemplateEditorDialog() {
 			} );
 
 			this.layout.on( 'remove', () => {
-				const notices = this.parsoid.findNotices();
-				// TODO: Repair mergeButton
-				// this.mergeButton.setDisabled( notices.length < 2 );
-				deleteButton.setDisabled( notices.length === 0 );
+				this.mergeButton.setDisabled(
+					!Object.values(this.parsoid.findRowedNoticesByHref()).some( v => v.length > 1 )
+				);
+				deleteButton.setDisabled( this.parsoid.findNotices().length === 0 );
 			} );
 			this.parsoid.addEventListener( 'templateInsert', () => {
-				const notices = this.parsoid.findNotices();
-				// TODO: Repair mergeButton
-				// this.mergeButton.setDisabled( notices.length < 2 );
-				deleteButton.setDisabled( notices.length === 0 );
+				this.mergeButton.setDisabled(
+					!Object.values(this.parsoid.findRowedNoticesByHref()).some( v => v.length > 1 )
+				);
+				deleteButton.setDisabled( this.parsoid.findNotices().length === 0 );
 			} );
 
 			this.$overlay.append(
@@ -438,7 +439,8 @@ function initCopiedTemplateEditorDialog() {
 
 			// Recheck state of merge button
 			this.mergeButton.setDisabled(
-				( this.parsoid.findNoticeType( 'copied' ).length ?? 0 ) < 2
+				!Object.values(this.parsoid.findRowedNoticesByHref())
+					.some( v => v.length > 1 )
 			);
 
 			process.next( () => {
diff --git a/src/modules/ante/ui/RowPageShared.tsx b/src/modules/ante/ui/RowPageShared.tsx
index 5b539325..c45c12cc 100644
--- a/src/modules/ante/ui/RowPageShared.tsx
+++ b/src/modules/ante/ui/RowPageShared.tsx
@@ -77,7 +77,7 @@ export function renderMergePanel<T extends SupportedAttributionNoticeType>(
 		).done( ( confirmed: boolean ) => {
 			if ( confirmed ) {
 				// Recursively merge all templates
-				TemplateMerger.copied(
+				TemplateMerger.merge(
 					notices as any,
 					parentTemplate as any
 				);
diff --git a/src/util/organize.ts b/src/util/organize.ts
new file mode 100644
index 00000000..51bdef5b
--- /dev/null
+++ b/src/util/organize.ts
@@ -0,0 +1,16 @@
+export default function organize<T>(
+	objects: T[],
+	keyer: ( pivot: T ) => string
+): Record<string, T[]> {
+	const finalObj: Record<string, T[]> = {};
+
+	for (const obj of objects) {
+		const key = keyer( obj );
+		if (!finalObj[key]) {
+			finalObj[key] = [];
+		}
+		finalObj[key].push(obj);
+	}
+
+	return finalObj;
+}