diff --git a/frontend/src/lib/components/dashboard/invoices/transferencia-electronica-modal.svelte b/frontend/src/lib/components/dashboard/invoices/transferencia-electronica-modal.svelte
index fa200b8b..fb2bd8a3 100644
--- a/frontend/src/lib/components/dashboard/invoices/transferencia-electronica-modal.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/transferencia-electronica-modal.svelte
@@ -71,6 +71,12 @@
 	}
 
 	async function handleAction() {
+		// Only allow Exportacion for MAINX30 for now
+		if (interfaceType === 'MAINX30' && movementType === 'Importacion') {
+			toast.error('Facturación de Importación: Esta interfase solo está disponible para movimientos de EXPORTACIÓN.');
+			return;
+		}
+
 		// Filter out empty manifests
 		const validManifests = manifests.filter((m) => m && m.trim() !== '');