diff --git a/change_notes/2024-12-10-a15-4-4-deviations.md b/change_notes/2024-12-10-a15-4-4-deviations.md
new file mode 100644
index 000000000..4a595e3e0
--- /dev/null
+++ b/change_notes/2024-12-10-a15-4-4-deviations.md
@@ -0,0 +1,2 @@
+ - `A15-4-4` - `MissingNoExcept.ql`:
+   - Enable deviations on either declarations or definitions.
\ No newline at end of file
diff --git a/cpp/autosar/src/rules/A15-4-4/MissingNoExcept.ql b/cpp/autosar/src/rules/A15-4-4/MissingNoExcept.ql
index 7701a8a1e..bbdb8d93f 100644
--- a/cpp/autosar/src/rules/A15-4-4/MissingNoExcept.ql
+++ b/cpp/autosar/src/rules/A15-4-4/MissingNoExcept.ql
@@ -21,7 +21,7 @@ import codingstandards.cpp.exceptions.ExceptionFlow
 
 from Function f
 where
-  not isExcluded(f, Exceptions1Package::missingNoExceptQuery()) and
+  not isExcluded(f.getADeclarationEntry(), Exceptions1Package::missingNoExceptQuery()) and
   // No thrown exceptions
   not exists(getAFunctionThrownType(f, _)) and
   // But not marked noexcept(true)
diff --git a/cpp/autosar/test/rules/A15-4-4/test.cpp b/cpp/autosar/test/rules/A15-4-4/test.cpp
index 1f9d0d5a8..faae76ca8 100644
--- a/cpp/autosar/test/rules/A15-4-4/test.cpp
+++ b/cpp/autosar/test/rules/A15-4-4/test.cpp
@@ -56,4 +56,12 @@ std::string test_fp_reported_in_424(
   s3.append(s1.c_str(), s1.size());
   s3.append(s2.c_str(), s2.size());
   return s3;
-}
\ No newline at end of file
+}
+
+void test_no_except_deviated_decl(); // a-15-4-4-deviation
+
+void test_no_except_deviated_decl() {}
+
+void test_no_except_deviated_defn();
+
+void test_no_except_deviated_defn() {} // a-15-4-4-deviation
\ No newline at end of file