diff --git a/libraries/chain/include/graphene/chain/protocol/son.hpp b/libraries/chain/include/graphene/chain/protocol/son.hpp
index 10a75412..42ead5b6 100644
--- a/libraries/chain/include/graphene/chain/protocol/son.hpp
+++ b/libraries/chain/include/graphene/chain/protocol/son.hpp
@@ -1,6 +1,7 @@
 #pragma once
 #include <graphene/chain/protocol/base.hpp>
 #include <graphene/chain/sidechain_defs.hpp>
+#include <graphene/chain/son_object.hpp>
 
 namespace graphene { namespace chain {
 
@@ -32,6 +33,7 @@ namespace graphene { namespace chain {
          optional<public_key_type> new_signing_key;
          optional<flat_map<sidechain_type, string>> new_sidechain_public_keys;
          optional<vesting_balance_id_type> new_pay_vb;
+         optional<son_status> new_status;
 
          account_id_type fee_payer()const { return owner_account; }
          share_type      calculate_fee(const fee_parameters_type& k)const { return 0; }
@@ -103,7 +105,7 @@ FC_REFLECT(graphene::chain::son_create_operation, (fee)(owner_account)(url)(depo
 
 FC_REFLECT(graphene::chain::son_update_operation::fee_parameters_type, (fee) )
 FC_REFLECT(graphene::chain::son_update_operation, (fee)(son_id)(owner_account)(new_url)(new_deposit)
-           (new_signing_key)(new_sidechain_public_keys)(new_pay_vb) )
+           (new_signing_key)(new_sidechain_public_keys)(new_pay_vb)(new_status) )
 
 FC_REFLECT(graphene::chain::son_deregister_operation::fee_parameters_type, (fee) )
 FC_REFLECT(graphene::chain::son_deregister_operation, (fee)(son_id)(payer) )
diff --git a/libraries/chain/son_evaluator.cpp b/libraries/chain/son_evaluator.cpp
index bf92b709..e732c145 100644
--- a/libraries/chain/son_evaluator.cpp
+++ b/libraries/chain/son_evaluator.cpp
@@ -79,6 +79,9 @@ void_result update_son_evaluator::do_evaluate(const son_update_operation& op)
        FC_ASSERT(vbo.policy.which() == vesting_policy::tag<linear_vesting_policy>::value,
              "Payment balance must have linear vesting policy");
     }
+    if(op.new_status.valid()) {
+       FC_ASSERT(db().get(op.son_id).status == son_status::deregistered, "SON must be in deregistered state");
+    }
     return void_result();
 } FC_CAPTURE_AND_RETHROW( (op) ) }
 
@@ -94,6 +97,7 @@ object_id_type update_son_evaluator::do_apply(const son_update_operation& op)
            if(op.new_signing_key.valid()) so.signing_key = *op.new_signing_key;
            if(op.new_sidechain_public_keys.valid()) so.sidechain_public_keys = *op.new_sidechain_public_keys;
            if(op.new_pay_vb.valid()) so.pay_vb = *op.new_pay_vb;
+           if(op.new_status.valid()) so.status = son_status::inactive;
        });
    }
    return op.son_id;
diff --git a/libraries/wallet/include/graphene/wallet/wallet.hpp b/libraries/wallet/include/graphene/wallet/wallet.hpp
index a7921b1f..ff32ac10 100644
--- a/libraries/wallet/include/graphene/wallet/wallet.hpp
+++ b/libraries/wallet/include/graphene/wallet/wallet.hpp
@@ -1425,6 +1425,16 @@ class wallet_api
                                     flat_map<sidechain_type, string> sidechain_public_keys,
                                     bool broadcast = false);
 
+      /**
+       * Activate deregistered SON object owned by the given account.
+       *
+       * @param owner_account The name of the SON's owner account.  Also accepts the ID of the owner account or the ID of the SON.
+       * @param broadcast true if you wish to broadcast the transaction.
+       */
+      signed_transaction activate_deregistered_son(const string & owner_account,
+                                                   bool broadcast /* = false */);
+
+
       /**
        * Updates vesting balances of the SON object owned by the given account.
        *
@@ -2622,6 +2632,7 @@ FC_API( graphene::wallet::wallet_api,
         (try_create_son)
         (update_son)
         (update_son_vesting_balances)
+        (activate_deregistered_son)
         (list_sons)
         (list_active_sons)
         (get_son_network_status)
diff --git a/libraries/wallet/wallet.cpp b/libraries/wallet/wallet.cpp
index e876924e..cc013736 100644
--- a/libraries/wallet/wallet.cpp
+++ b/libraries/wallet/wallet.cpp
@@ -2114,6 +2114,23 @@ public:
       return sign_transaction( tx, broadcast );
    } FC_CAPTURE_AND_RETHROW( (owner_account)(url)(block_signing_key)(broadcast) ) }
 
+   signed_transaction activate_deregistered_son(const string & owner_account, 
+                                                bool broadcast /* = false */) 
+   { try {
+      son_object son = get_son(owner_account);
+
+      son_update_operation son_update_op;
+      son_update_op.son_id = son.id;
+      son_update_op.owner_account = son.son_account;
+      son_update_op.new_status = son_status::inactive;
+      signed_transaction tx;
+      tx.operations.push_back( son_update_op );
+      set_operation_fees( tx, _remote_db->get_global_properties().parameters.current_fees );
+      tx.validate();
+
+      return sign_transaction( tx, broadcast );
+   } FC_CAPTURE_AND_RETHROW( (owner_account)(broadcast) ) }
+
    signed_transaction update_son_vesting_balances(string owner_account,
                                                   optional<vesting_balance_id_type> new_deposit,
                                                   optional<vesting_balance_id_type> new_pay_vb,
@@ -5053,6 +5070,11 @@ signed_transaction wallet_api::update_son(string owner_account,
    return my->update_son(owner_account, url, block_signing_key, sidechain_public_keys, broadcast);
 }
 
+signed_transaction wallet_api::activate_deregistered_son(const string & owner_account, bool broadcast) {
+   return my->activate_deregistered_son(owner_account, broadcast);
+}
+
+
 signed_transaction wallet_api::update_son_vesting_balances(string owner_account,
                                                            optional<vesting_balance_id_type> new_deposit,
                                                            optional<vesting_balance_id_type> new_pay_vb,