diff --git a/mock_update_attempter.h b/mock_update_attempter.h
index fdeba52..ad34802 100644
--- a/mock_update_attempter.h
+++ b/mock_update_attempter.h
@@ -60,6 +60,8 @@
 
   MOCK_METHOD2(SetDlcActiveValue, bool(bool, const std::string&));
 
+  MOCK_CONST_METHOD0(GetExcluder, ExcluderInterface*(void));
+
   MOCK_METHOD0(RefreshDevicePolicy, void(void));
 
   MOCK_CONST_METHOD0(consecutive_failed_update_checks, unsigned int(void));
diff --git a/payload_state.cc b/payload_state.cc
index 5facdff..2e07ad9 100644
--- a/payload_state.cc
+++ b/payload_state.cc
@@ -37,6 +37,7 @@
 #include "update_engine/omaha_request_params.h"
 #include "update_engine/payload_consumer/install_plan.h"
 #include "update_engine/system_state.h"
+#include "update_engine/update_attempter.h"
 
 using base::Time;
 using base::TimeDelta;
@@ -60,6 +61,8 @@
 
 PayloadState::PayloadState()
     : prefs_(nullptr),
+      powerwash_safe_prefs_(nullptr),
+      excluder_(nullptr),
       using_p2p_for_downloading_(false),
       p2p_num_attempts_(0),
       payload_attempt_number_(0),
@@ -79,6 +82,7 @@
   system_state_ = system_state;
   prefs_ = system_state_->prefs();
   powerwash_safe_prefs_ = system_state_->powerwash_safe_prefs();
+  excluder_ = system_state_->update_attempter()->GetExcluder();
   LoadResponseSignature();
   LoadPayloadAttemptNumber();
   LoadFullPayloadAttemptNumber();
diff --git a/payload_state.h b/payload_state.h
index bfe2cf0..bc4bf0d 100644
--- a/payload_state.h
+++ b/payload_state.h
@@ -24,6 +24,7 @@
 #include <base/time/time.h>
 #include <gtest/gtest_prod.h>  // for FRIEND_TEST
 
+#include "update_engine/common/excluder_interface.h"
 #include "update_engine/common/prefs_interface.h"
 #include "update_engine/metrics_constants.h"
 #include "update_engine/payload_state_interface.h"
@@ -429,6 +430,11 @@
   // This object persists across powerwashes.
   PrefsInterface* powerwash_safe_prefs_;
 
+  // Interface object with which we determine exclusion decisions for
+  // payloads/partitions during the update. This must be set by calling the
+  // Initialize method before calling any other method.
+  ExcluderInterface* excluder_;
+
   // This is the current response object from Omaha.
   OmahaResponse response_;
 
diff --git a/update_attempter.cc b/update_attempter.cc
index 7479134..5256192 100644
--- a/update_attempter.cc
+++ b/update_attempter.cc
@@ -47,6 +47,7 @@
 #include "update_engine/common/clock_interface.h"
 #include "update_engine/common/constants.h"
 #include "update_engine/common/dlcservice_interface.h"
+#include "update_engine/common/excluder_interface.h"
 #include "update_engine/common/hardware_interface.h"
 #include "update_engine/common/platform_constants.h"
 #include "update_engine/common/prefs.h"
@@ -1762,6 +1763,8 @@
 
   system_state_->payload_state()->UpdateEngineStarted();
   StartP2PAtStartup();
+
+  excluder_ = CreateExcluder(system_state_->prefs());
 }
 
 bool UpdateAttempter::StartP2PAtStartup() {
diff --git a/update_attempter.h b/update_attempter.h
index 1bf552b..dd958f5 100644
--- a/update_attempter.h
+++ b/update_attempter.h
@@ -37,6 +37,7 @@
 #include "update_engine/client_library/include/update_engine/update_status.h"
 #include "update_engine/common/action_processor.h"
 #include "update_engine/common/cpu_limiter.h"
+#include "update_engine/common/excluder_interface.h"
 #include "update_engine/common/proxy_resolver.h"
 #include "update_engine/omaha_request_builder_xml.h"
 #include "update_engine/omaha_request_params.h"
@@ -184,6 +185,9 @@
   // Called at update_engine startup to do various house-keeping.
   void UpdateEngineStarted();
 
+  // Returns the |Excluder| that is currently held onto.
+  virtual ExcluderInterface* GetExcluder() const { return excluder_.get(); }
+
   // Reloads the device policy from libbrillo. Note: This method doesn't
   // cause a real-time policy fetch from the policy server. It just reloads the
   // latest value that libbrillo has cached. libbrillo fetches the policies
@@ -571,6 +575,9 @@
   // This is the session ID used to track update flow to Omaha.
   std::string session_id_;
 
+  // Interface for excluder.
+  std::unique_ptr<ExcluderInterface> excluder_;
+
   DISALLOW_COPY_AND_ASSIGN(UpdateAttempter);
 };