diff --git a/infer/man/man1/infer-full.txt b/infer/man/man1/infer-full.txt
index 26a0a8f65..49b40f272 100644
--- a/infer/man/man1/infer-full.txt
+++ b/infer/man/man1/infer-full.txt
@@ -268,6 +268,10 @@ OPTIONS
            checkers (Conversely: --no-config-impact-analysis-only)       
     See also infer-analyze(1).
 
+       --config-impact-data-file file
+           [ConfigImpact] Specify the file containing the config data       
+    See also infer-report(1).
+
        --continue
            Activates: Continue the capture for the reactive analysis,
            increasing the changed files/procedures. (If a procedure was
@@ -1451,6 +1455,9 @@ INTERNAL OPTIONS
        --compilation-database-reset
            Set --compilation-database to the empty list.
 
+       --config-impact-data-file-reset
+           Cancel the effect of --config-impact-data-file.
+
        --cost-issues-tests-reset
            Cancel the effect of --cost-issues-tests.
 
diff --git a/infer/man/man1/infer-report.txt b/infer/man/man1/infer-report.txt
index 63a812cc3..a364c5e09 100644
--- a/infer/man/man1/infer-report.txt
+++ b/infer/man/man1/infer-report.txt
@@ -35,6 +35,9 @@ OPTIONS
            `<reason_string>` is a non-empty string used to explain why the
            issue was filtered.
 
+       --config-impact-data-file file
+           [ConfigImpact] Specify the file containing the config data
+
        --cost-issues-tests file
            Write a list of cost issues in a format suitable for cost tests to
            file
diff --git a/infer/man/man1/infer.txt b/infer/man/man1/infer.txt
index 85f3696ae..439d891fd 100644
--- a/infer/man/man1/infer.txt
+++ b/infer/man/man1/infer.txt
@@ -268,6 +268,10 @@ OPTIONS
            checkers (Conversely: --no-config-impact-analysis-only)       
     See also infer-analyze(1).
 
+       --config-impact-data-file file
+           [ConfigImpact] Specify the file containing the config data       
+    See also infer-report(1).
+
        --continue
            Activates: Continue the capture for the reactive analysis,
            increasing the changed files/procedures. (If a procedure was
diff --git a/infer/src/atd/config_impact_data.atd b/infer/src/atd/config_impact_data.atd
new file mode 100644
index 000000000..714e6a8c6
--- /dev/null
+++ b/infer/src/atd/config_impact_data.atd
@@ -0,0 +1,12 @@
+(*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *)
+
+type config_item = {
+    method_name: string;
+    class_name: string
+}
+type config_data = config_item list
\ No newline at end of file
diff --git a/infer/src/atd/dune b/infer/src/atd/dune
index 6cfbd5ff6..db9c4ed79 100644
--- a/infer/src/atd/dune
+++ b/infer/src/atd/dune
@@ -61,6 +61,20 @@
  (action
   (run atdgen -t %{deps})))
 
+; ATD for config_impact_data
+
+(rule
+ (targets config_impact_data_j.ml config_impact_data_j.mli)
+ (deps config_impact_data.atd)
+ (action
+  (run atdgen -j -j-std %{deps})))
+
+(rule
+ (targets config_impact_data_t.ml config_impact_data_t.mli)
+ (deps config_impact_data.atd)
+ (action
+  (run atdgen -t %{deps})))
+
 ; ATD for java_profiler_samples
 
 (rule
diff --git a/infer/src/base/Config.ml b/infer/src/base/Config.ml
index 9e06c3701..9989e94d9 100644
--- a/infer/src/base/Config.ml
+++ b/infer/src/base/Config.ml
@@ -913,6 +913,12 @@ and compilation_database_escaped =
      from Xcode (can be specified multiple times)"
 
 
+and config_impact_data_file =
+  CLOpt.mk_path_opt ~long:"config-impact-data-file"
+    ~in_help:InferCommand.[(Report, manual_generic)]
+    ~meta:"file" "[ConfigImpact] Specify the file containing the config data"
+
+
 (** Continue the capture for reactive mode: If a procedure was changed beforehand, keep the changed
     marking. *)
 and continue =
@@ -2848,6 +2854,8 @@ and clang_libcxx_include_to_override_regex = !clang_libcxx_include_to_override_r
 
 and classpath = !classpath
 
+and config_impact_data_file = !config_impact_data_file
+
 and continue_analysis = !continue_analysis
 
 and continue_capture = !continue
diff --git a/infer/src/base/Config.mli b/infer/src/base/Config.mli
index 50748c978..4f4d22423 100644
--- a/infer/src/base/Config.mli
+++ b/infer/src/base/Config.mli
@@ -226,6 +226,8 @@ val clang_libcxx_include_to_override_regex : string option
 
 val command : InferCommand.t
 
+val config_impact_data_file : string option
+
 val continue_analysis : bool
 
 val continue_capture : bool
diff --git a/infer/src/checkers/ConfigImpactAnalysis.ml b/infer/src/checkers/ConfigImpactAnalysis.ml
index a304423c3..cc695b905 100644
--- a/infer/src/checkers/ConfigImpactAnalysis.ml
+++ b/infer/src/checkers/ConfigImpactAnalysis.ml
@@ -70,9 +70,11 @@ module UncheckedCallee = struct
 
 
   let report {InterproceduralAnalysis.proc_desc; err_log} x =
-    let desc = F.asprintf "%a without config check" pp x in
-    Reporting.log_issue proc_desc err_log ~loc:(get_location x) ~ltr:(make_err_trace x)
-      ConfigImpactAnalysis IssueType.config_impact_analysis desc
+    let pname = Procdesc.get_proc_name proc_desc in
+    if ExternalConfigImpactData.is_in_config_data_file pname then
+      let desc = F.asprintf "%a without config check" pp x in
+      Reporting.log_issue proc_desc err_log ~loc:(get_location x) ~ltr:(make_err_trace x)
+        ConfigImpactAnalysis IssueType.config_impact_analysis desc
 end
 
 module UncheckedCallees = struct
diff --git a/infer/src/checkers/ExternalConfigImpactData.ml b/infer/src/checkers/ExternalConfigImpactData.ml
new file mode 100644
index 000000000..b733fb4af
--- /dev/null
+++ b/infer/src/checkers/ExternalConfigImpactData.ml
@@ -0,0 +1,40 @@
+(*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *)
+
+open! IStd
+module L = Logging
+
+module ConfigProcnameSet = Caml.Set.Make (struct
+  (* workaround: since there is no way to have @@deriving directive
+     in atd declaration, we redefine the type *)
+  type t = Config_impact_data_t.config_item = {method_name: string; class_name: string}
+  [@@deriving compare]
+end)
+
+let read_file_config_data fname =
+  let config_list =
+    try Atdgen_runtime.Util.Json.from_file Config_impact_data_j.read_config_data fname
+    with e ->
+      L.user_warning "Failed to read file '%s': %s@." fname (Exn.to_string e) ;
+      []
+  in
+  List.fold config_list ~init:ConfigProcnameSet.empty ~f:(fun acc itm ->
+      ConfigProcnameSet.add itm acc )
+
+
+let is_in_config_data_file =
+  let config_data =
+    Option.value_map Config.config_impact_data_file ~default:ConfigProcnameSet.empty
+      ~f:read_file_config_data
+  in
+  fun proc_name ->
+    ConfigProcnameSet.exists
+      (fun {method_name; class_name} ->
+        String.equal method_name (Procname.get_method proc_name)
+        && String.equal class_name (Procname.get_class_name proc_name |> Option.value ~default:"")
+        )
+      config_data
diff --git a/infer/src/checkers/ExternalConfigImpactData.mli b/infer/src/checkers/ExternalConfigImpactData.mli
new file mode 100644
index 000000000..611072966
--- /dev/null
+++ b/infer/src/checkers/ExternalConfigImpactData.mli
@@ -0,0 +1,10 @@
+(*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *)
+
+open! IStd
+
+val is_in_config_data_file : Procname.t -> bool
diff --git a/infer/tests/codetoanalyze/java/fb-config-impact/Makefile b/infer/tests/codetoanalyze/java/fb-config-impact/Makefile
index 84613398a..54e4a241d 100644
--- a/infer/tests/codetoanalyze/java/fb-config-impact/Makefile
+++ b/infer/tests/codetoanalyze/java/fb-config-impact/Makefile
@@ -5,7 +5,7 @@
 
 TESTS_DIR = ../../..
 
-INFER_OPTIONS = --config-impact-analysis-only --debug-exceptions \
+INFER_OPTIONS = --config-impact-analysis-only --config-impact-data-file config_data.json --debug-exceptions \
   --report-force-relative-path
 INFERPRINT_OPTIONS = --issues-tests
 SOURCES = $(wildcard *.java)
diff --git a/infer/tests/codetoanalyze/objc/fb-config-impact/Makefile b/infer/tests/codetoanalyze/objc/fb-config-impact/Makefile
index 49275e8c5..c0bd51bb6 100644
--- a/infer/tests/codetoanalyze/objc/fb-config-impact/Makefile
+++ b/infer/tests/codetoanalyze/objc/fb-config-impact/Makefile
@@ -6,7 +6,7 @@
 TESTS_DIR = ../../..
 
 CLANG_OPTIONS = -c $(OBJC_CLANG_OPTIONS)
-INFER_OPTIONS = --config-impact-analysis-only -g --debug-exceptions \
+INFER_OPTIONS = --config-impact-analysis-only  --config-impact-data-file config_data.json  --debug-exceptions \
   --report-force-relative-path --project-root $(TESTS_DIR)
 INFERPRINT_OPTIONS = --issues-tests
 
diff --git a/infer/tests/codetoanalyze/objc/fb-config-impact/issues.exp b/infer/tests/codetoanalyze/objc/fb-config-impact/issues.exp
index 5299b8098..dde6fc690 100644
--- a/infer/tests/codetoanalyze/objc/fb-config-impact/issues.exp
+++ b/infer/tests/codetoanalyze/objc/fb-config-impact/issues.exp
@@ -1 +1,3 @@
 ../../facebook/skel/infer/tests/codetoanalyze/objc/fb-config-impact/Basic.m, qe_unchecked_bad, 4, CONFIG_IMPACT, no_bucket, ADVICE, [callee2 is called]
+../../facebook/skel/infer/tests/codetoanalyze/objc/fb-config-impact/ClassTest.m, MyClass.call_log_bad:data:, 4, CONFIG_IMPACT, no_bucket, ADVICE, [__objc_alloc_no_fail is called]
+../../facebook/skel/infer/tests/codetoanalyze/objc/fb-config-impact/ClassTest.m, MyClass.call_log_bad:data:, 4, CONFIG_IMPACT, no_bucket, ADVICE, [NSKeyedUnarchiver.initForReadingFromData:error: is called]