diff --git a/pc/session_description.h b/pc/session_description.h
index b724cb91f7..01e93459e6 100644
--- a/pc/session_description.h
+++ b/pc/session_description.h
@@ -235,6 +235,12 @@ class MediaContentDescription {
       const SimulcastDescription& simulcast) {
     simulcast_ = simulcast;
   }
+  virtual const std::vector<RidDescription>& receive_rids() const {
+    return receive_rids_;
+  }
+  virtual void set_receive_rids(const std::vector<RidDescription>& rids) {
+    receive_rids_ = rids;
+  }
 
  protected:
   bool rtcp_mux_ = false;
@@ -255,6 +261,7 @@ class MediaContentDescription {
   ExtmapAllowMixed extmap_allow_mixed_enum_ = kNo;
 
   SimulcastDescription simulcast_;
+  std::vector<RidDescription> receive_rids_;
 };
 
 // TODO(bugs.webrtc.org/8620): Remove this alias once downstream projects have
diff --git a/pc/webrtc_sdp.cc b/pc/webrtc_sdp.cc
index e167d95d25..7d33a6a4f8 100644
--- a/pc/webrtc_sdp.cc
+++ b/pc/webrtc_sdp.cc
@@ -1748,6 +1748,13 @@ void BuildRtpContentAttributes(const MediaContentDescription* media_desc,
     }
   }
 
+  for (const RidDescription& rid_description : media_desc->receive_rids()) {
+    InitAttrLine(kAttributeRid, &os);
+    os << kSdpDelimiterColon
+       << serializer.SerializeRidDescription(rid_description);
+    AddLine(os.str(), message);
+  }
+
   // Simulcast (a=simulcast)
   // https://tools.ietf.org/html/draft-ietf-mmusic-sdp-simulcast-13#section-5.1
   if (media_desc->HasSimulcast()) {
@@ -3362,6 +3369,7 @@ bool ParseContent(const std::string& message,
   // Rids that do not appear in simulcast attribute will be removed.
   // If it is not specified, we assume that all rids are for send layers.
   std::vector<RidDescription> send_rids;
+  std::vector<RidDescription> receive_rids;
   if (!simulcast.empty()) {
     // Verify that the rids in simulcast match rids in sdp.
     RemoveInvalidRidsFromSimulcast(rids, &simulcast);
@@ -3378,11 +3386,19 @@ bool ParseContent(const std::string& message,
       send_rids.push_back(iter->second);
     }
 
+    for (const auto& layer : simulcast.receive_layers().GetAllLayers()) {
+      auto iter = rid_map.find(layer.rid);
+      RTC_DCHECK(iter != rid_map.end());
+      receive_rids.push_back(iter->second);
+    }
+
     media_desc->set_simulcast_description(simulcast);
   } else {
     send_rids = rids;
   }
 
+  media_desc->set_receive_rids(receive_rids);
+
   // Create tracks from the |ssrc_infos|.
   // If the stream_id/track_id for all SSRCS are identical, one StreamParams
   // will be created in CreateTracksFromSsrcInfos, containing all the SSRCs from
diff --git a/pc/webrtc_sdp_unittest.cc b/pc/webrtc_sdp_unittest.cc
index ca99b84916..d3be4f362f 100644
--- a/pc/webrtc_sdp_unittest.cc
+++ b/pc/webrtc_sdp_unittest.cc
@@ -4567,12 +4567,20 @@ TEST_F(WebRtcSdpTest, SerializeSimulcast_ComplexSerialization) {
   send_rids.push_back(RidDescription("3", RidDirection::kSend));
   send_rids.push_back(RidDescription("4", RidDirection::kSend));
   send_stream.set_rids(send_rids);
+  std::vector<RidDescription> receive_rids;
+  receive_rids.push_back(RidDescription("5", RidDirection::kReceive));
+  receive_rids.push_back(RidDescription("6", RidDirection::kReceive));
+  receive_rids.push_back(RidDescription("7", RidDirection::kReceive));
+  media->set_receive_rids(receive_rids);
 
   SimulcastDescription& simulcast = media->simulcast_description();
   simulcast.send_layers().AddLayerWithAlternatives(
       {SimulcastLayer("2", false), SimulcastLayer("1", true)});
   simulcast.send_layers().AddLayerWithAlternatives(
       {SimulcastLayer("4", false), SimulcastLayer("3", false)});
+  simulcast.receive_layers().AddLayer({SimulcastLayer("5", false)});
+  simulcast.receive_layers().AddLayer({SimulcastLayer("6", false)});
+  simulcast.receive_layers().AddLayer({SimulcastLayer("7", false)});
 
   TestSerialize(jdesc_);
 }