diff --git a/libraries/chain/include/graphene/chain/protocol/chain_parameters.hpp b/libraries/chain/include/graphene/chain/protocol/chain_parameters.hpp
index 88d5dccf9..0dbf04bd0 100644
--- a/libraries/chain/include/graphene/chain/protocol/chain_parameters.hpp
+++ b/libraries/chain/include/graphene/chain/protocol/chain_parameters.hpp
@@ -59,7 +59,7 @@ namespace graphene { namespace chain {
 
       optional < uint32_t >           son_vesting_amount                = SON_VESTING_AMOUNT;
       optional < uint32_t >           son_vesting_period                = SON_VESTING_PERIOD;
-      optional < uint32_t >           son_pay_max                       = SON_PAY_MAX;
+      optional < uint64_t >           son_pay_max                       = SON_PAY_MAX;
       optional < uint32_t >           son_pay_time                      = SON_PAY_TIME;
       optional < uint32_t >           son_deregister_time               = SON_DEREGISTER_TIME;
       optional < uint32_t >           son_heartbeat_frequency           = SON_HEARTBEAT_FREQUENCY;
@@ -181,19 +181,19 @@ namespace graphene { namespace chain {
       inline uint32_t son_vesting_period()const {
          return extensions.value.son_vesting_period.valid() ? *extensions.value.son_vesting_period : SON_VESTING_PERIOD; /// current period start date
       }
-      inline uint16_t son_pay_max()const {
+      inline uint64_t son_pay_max()const {
          return extensions.value.son_pay_max.valid() ? *extensions.value.son_pay_max : SON_PAY_MAX;
       }
-      inline uint16_t son_pay_time()const {
+      inline uint32_t son_pay_time()const {
          return extensions.value.son_pay_time.valid() ? *extensions.value.son_pay_time : SON_PAY_TIME;
       }
-      inline uint16_t son_deregister_time()const {
+      inline uint32_t son_deregister_time()const {
          return extensions.value.son_deregister_time.valid() ? *extensions.value.son_deregister_time : SON_DEREGISTER_TIME;
       }
-      inline uint16_t son_heartbeat_frequency()const {
+      inline uint32_t son_heartbeat_frequency()const {
          return extensions.value.son_heartbeat_frequency.valid() ? *extensions.value.son_heartbeat_frequency : SON_HEARTBEAT_FREQUENCY;
       }
-      inline uint16_t son_down_time()const {
+      inline uint32_t son_down_time()const {
          return extensions.value.son_down_time.valid() ? *extensions.value.son_down_time : SON_DOWN_TIME;
       }
       inline uint16_t son_bitcoin_min_tx_confirmations()const {
diff --git a/libraries/chain/include/graphene/chain/rbac_hardfork_visitor.hpp b/libraries/chain/include/graphene/chain/rbac_hardfork_visitor.hpp
index 6851c4e76..21cf492fe 100644
--- a/libraries/chain/include/graphene/chain/rbac_hardfork_visitor.hpp
+++ b/libraries/chain/include/graphene/chain/rbac_hardfork_visitor.hpp
@@ -17,6 +17,27 @@ namespace graphene
                 int first_allowed_op = operation::tag<custom_permission_create_operation>::value;
                 switch (op_type)
                 {
+                case operation::tag<son_create_operation>::value:
+                case operation::tag<son_update_operation>::value:
+                case operation::tag<son_deregister_operation>::value:
+                case operation::tag<son_heartbeat_operation>::value:
+                case operation::tag<son_report_down_operation>::value:
+                case operation::tag<son_maintenance_operation>::value:
+                case operation::tag<son_wallet_recreate_operation>::value:
+                case operation::tag<son_wallet_update_operation>::value:
+                case operation::tag<son_wallet_deposit_create_operation>::value:
+                case operation::tag<son_wallet_deposit_process_operation>::value:
+                case operation::tag<son_wallet_withdraw_create_operation>::value:
+                case operation::tag<son_wallet_withdraw_process_operation>::value:
+                case operation::tag<sidechain_address_add_operation>::value:
+                case operation::tag<sidechain_address_update_operation>::value:
+                case operation::tag<sidechain_address_delete_operation>::value:
+                case operation::tag<sidechain_transaction_create_operation>::value:
+                case operation::tag<sidechain_transaction_sign_operation>::value:
+                case operation::tag<sidechain_transaction_send_operation>::value:
+                case operation::tag<sidechain_transaction_settle_operation>::value:
+                    FC_ASSERT(block_time >= HARDFORK_SON_TIME, "Custom permissions and roles not allowed on this operation yet!");
+                    break;
                 case operation::tag<custom_permission_create_operation>::value:
                 case operation::tag<custom_permission_update_operation>::value:
                 case operation::tag<custom_permission_delete_operation>::value:
@@ -45,4 +66,4 @@ namespace graphene
         };
 
     } // namespace chain
-} // namespace graphene
\ No newline at end of file
+} // namespace graphene