diff --git a/modules/tax/src/TaxTypeManager.php b/modules/tax/src/TaxTypeManager.php
index 5a64dcb..141f473 100644
--- a/modules/tax/src/TaxTypeManager.php
+++ b/modules/tax/src/TaxTypeManager.php
@@ -36,8 +36,8 @@ class TaxTypeManager extends DefaultPluginManager {
   public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
     parent::__construct('Plugin/Commerce/TaxType', $namespaces, $module_handler, 'Drupal\commerce_tax\Plugin\Commerce\TaxType\TaxTypeInterface', 'Drupal\commerce_tax\Annotation\CommerceTaxType');
 
-    $this->alterInfo('commerce_tax type_info');
-    $this->setCacheBackend($cache_backend, 'commerce_tax type_plugins');
+    $this->alterInfo('commerce_tax_type_info');
+    $this->setCacheBackend($cache_backend, 'commerce_tax_type_plugins');
   }
 
   /**
diff --git a/modules/tax/tests/modules/commerce_tax_test/commerce_tax_test.info.yml b/modules/tax/tests/modules/commerce_tax_test/commerce_tax_test.info.yml
new file mode 100644
index 0000000..4c6915f
--- /dev/null
+++ b/modules/tax/tests/modules/commerce_tax_test/commerce_tax_test.info.yml
@@ -0,0 +1,7 @@
+name: Commerce Tax Test
+type: module
+description: Provides items for testing Commerce Tax.
+package: Testing
+core: 8.x
+dependencies:
+  - commerce_tax
diff --git a/modules/tax/tests/modules/commerce_tax_test/commerce_tax_test.module b/modules/tax/tests/modules/commerce_tax_test/commerce_tax_test.module
new file mode 100644
index 0000000..f8daf15
--- /dev/null
+++ b/modules/tax/tests/modules/commerce_tax_test/commerce_tax_test.module
@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * @file
+ * Test module for Tax.
+ */
+
+/**
+ * Implements hook_commerce_tax_type_info_alter().
+ *
+ * Alters tax type plugin definition label.
+ */
+function commerce_tax_test_commerce_tax_type_info_alter(&$info) {
+  if (isset($info['european_union_vat']['label'])) {
+    $info['european_union_vat']['label'] = $info['european_union_vat']['label'] . ' (altered)';
+  }
+}
diff --git a/modules/tax/tests/src/Kernel/Plugin/Commerce/TaxType/TaxTypePluginInfoAlterTest.php b/modules/tax/tests/src/Kernel/Plugin/Commerce/TaxType/TaxTypePluginInfoAlterTest.php
new file mode 100644
index 0000000..1bf7dc9
--- /dev/null
+++ b/modules/tax/tests/src/Kernel/Plugin/Commerce/TaxType/TaxTypePluginInfoAlterTest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Drupal\Tests\commerce_tax\Kernel\Plugin\Commerce\TaxType;
+
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * @group commerce
+ */
+class TaxTypePluginInfoAlterTest extends KernelTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = [
+    'commerce_tax',
+    'commerce_tax_test',
+  ];
+
+  /**
+   * Tests tax plugin definition info alter functionality.
+   */
+  public function testPluginInfoAlter() {
+    $tax_type_definitions = \Drupal::service('plugin.manager.commerce_tax_type')->getDefinitions();
+
+    $this->assertEquals('European Union VAT (altered)', $tax_type_definitions['european_union_vat']['label']);
+  }
+
+}