diff --git a/tests/tests/son_operations_tests.cpp b/tests/tests/son_operations_tests.cpp
index 3740335c..6b0378e8 100644
--- a/tests/tests/son_operations_tests.cpp
+++ b/tests/tests/son_operations_tests.cpp
@@ -736,4 +736,118 @@ BOOST_AUTO_TEST_CASE( son_heartbeat_test ) {
          BOOST_CHECK( son_stats_obj->last_active_timestamp == op.ts);
       }
    } FC_LOG_AND_RETHROW()
+}
+
+BOOST_AUTO_TEST_CASE( son_report_down_test ) {
+
+   try
+   {
+      INVOKE(son_heartbeat_test);
+      GET_ACTOR(alice);
+      GET_ACTOR(bob);
+
+      generate_block();
+
+      const auto& idx = db.get_index_type<son_index>().indices().get<by_account>();
+      BOOST_REQUIRE( idx.size() == 1 );
+      auto obj = idx.find( alice_id );
+      BOOST_REQUIRE( obj != idx.end() );
+
+      const auto& sidx = db.get_index_type<son_stats_index>().indices().get<by_id>();
+      BOOST_REQUIRE( sidx.size() == 1 );
+      auto son_stats_obj = sidx.find( obj->statistics );
+      BOOST_REQUIRE( son_stats_obj != sidx.end() );
+
+      BOOST_CHECK( obj->status == son_status::active);
+
+      const auto& son_btc_account = db.create<account_object>( [&]( account_object& obj ) {
+         obj.name = "son_btc_account";
+         obj.statistics = db.create<account_statistics_object>([&]( account_statistics_object& acc_stat ){ acc_stat.owner = obj.id; }).id;
+         obj.membership_expiration_date = time_point_sec::maximum();
+         obj.network_fee_percentage = GRAPHENE_DEFAULT_NETWORK_PERCENT_OF_FEE;
+         obj.lifetime_referrer_fee_percentage = GRAPHENE_100_PERCENT - GRAPHENE_DEFAULT_NETWORK_PERCENT_OF_FEE;
+
+         obj.owner.add_authority( bob_id, 1 );
+         obj.active.add_authority( bob_id, 1 );
+         obj.active.weight_threshold = 1;
+         obj.owner.weight_threshold = 1;
+      });
+
+      db.modify( db.get_global_properties(), [&]( global_property_object& _gpo )
+      {
+         _gpo.parameters.extensions.value.son_pay_daily_max = 200;
+         _gpo.parameters.witness_pay_per_block = 0;
+
+         _gpo.parameters.extensions.value.son_btc_account = son_btc_account.get_id();
+         if( _gpo.pending_parameters )
+            _gpo.pending_parameters->extensions.value.son_btc_account = son_btc_account.get_id();
+      });
+
+      {
+         // Check that transaction fails if down_ts < last_active_timestamp
+         generate_block();
+         // Send Report Down Operation for an active status SON
+         son_report_down_operation op;
+         op.payer = db.get_global_properties().parameters.get_son_btc_account_id();
+         op.son_id = son_id_type(0);
+         op.down_ts = fc::time_point_sec(son_stats_obj->last_active_timestamp - fc::seconds(1));
+
+         trx.operations.push_back(op);
+         sign(trx, bob_private_key);
+          // Expect an exception
+         GRAPHENE_REQUIRE_THROW(PUSH_TX( db, trx, ~0), fc::exception);
+         trx.clear();
+      }
+
+      {
+         // Check that transaction fails if payer is not son_btc_account.
+         generate_block();
+         // Send Report Down Operation for an active status SON
+         son_report_down_operation op;
+         op.payer = alice_id;
+         op.son_id = son_id_type(0);
+         op.down_ts = son_stats_obj->last_active_timestamp;
+
+         trx.operations.push_back(op);
+         sign(trx, alice_private_key);
+         // Expect an exception
+         GRAPHENE_REQUIRE_THROW(PUSH_TX( db, trx, ~0), fc::exception);
+         trx.clear();
+      }
+
+      {
+         // Check that transaction succeeds after getting enough approvals on son_btc_account.
+         generate_block();
+         // Send Report Down Operation for an active status SON
+         son_report_down_operation op;
+         op.payer = db.get_global_properties().parameters.get_son_btc_account_id();
+         op.son_id = son_id_type(0);
+         op.down_ts = son_stats_obj->last_active_timestamp;
+
+         trx.operations.push_back(op);
+         sign(trx, bob_private_key);
+         PUSH_TX( db, trx, ~0);
+         generate_block();
+         trx.clear();
+
+         BOOST_CHECK( obj->status == son_status::in_maintenance);
+         BOOST_CHECK( son_stats_obj->last_down_timestamp == op.down_ts);
+      }
+
+      {
+         // Check that transaction fails if report down sent for an in_maintenance SON.
+         generate_block();
+         // Send Report Down Operation for an active status SON
+         son_report_down_operation op;
+         op.payer = db.get_global_properties().parameters.get_son_btc_account_id();
+         op.son_id = son_id_type(0);
+         op.down_ts = son_stats_obj->last_active_timestamp;
+
+         trx.operations.push_back(op);
+         sign(trx, bob_private_key);
+         // Expect an exception
+         GRAPHENE_REQUIRE_THROW(PUSH_TX( db, trx, ~0), fc::exception);
+         trx.clear();
+      }
+   } FC_LOG_AND_RETHROW()
 } BOOST_AUTO_TEST_SUITE_END()