diff --git a/libraries/chain/proposal_evaluator.cpp b/libraries/chain/proposal_evaluator.cpp
index f3d057fb..83282537 100644
--- a/libraries/chain/proposal_evaluator.cpp
+++ b/libraries/chain/proposal_evaluator.cpp
@@ -27,6 +27,7 @@
 #include <graphene/chain/account_object.hpp>
 #include <graphene/chain/protocol/account.hpp>
 #include <graphene/chain/protocol/fee_schedule.hpp>
+#include <graphene/chain/protocol/tournament.hpp>
 #include <graphene/chain/exceptions.hpp>
 #include <graphene/chain/hardfork.hpp>
 
@@ -54,9 +55,21 @@ struct proposal_operation_hardfork_visitor
                     "Parameter extensions are not allowed yet!" );
    }
 
-   void operator()(const sport_create_operation &v) const {
-       FC_ASSERT( block_time >= HARDFORK_1000_TIME, "sport_create_operation not allowed yet!" );
-   }
+      void operator()(const graphene::chain::tournament_payout_operation &o) const {
+         // TODO: move check into tournament_payout_operation::validate after HARDFORK_999_TIME
+         FC_ASSERT( block_time < HARDFORK_999_TIME, "Not allowed!" );
+      }
+
+      void operator()(const graphene::chain::asset_settle_cancel_operation &o) const {
+         // TODO: move check into asset_settle_cancel_operation::validate after HARDFORK_999_TIME
+         FC_ASSERT( block_time < HARDFORK_999_TIME, "Not allowed!" );
+      }
+
+      void operator()(const graphene::chain::account_create_operation &aco) const {
+         // TODO: remove after HARDFORK_999_TIME
+         if (block_time < HARDFORK_999_TIME)
+            FC_ASSERT( !aco.extensions.value.affiliate_distributions.valid(), "Affiliate reward distributions not allowed yet" );
+      }
 
    void operator()(const sport_update_operation &v) const {
        FC_ASSERT( block_time >= HARDFORK_1000_TIME, "sport_update_operation not allowed yet!" );