diff --git a/libraries/chain/db_maint.cpp b/libraries/chain/db_maint.cpp
index d695bb0f..c0e8a0ff 100644
--- a/libraries/chain/db_maint.cpp
+++ b/libraries/chain/db_maint.cpp
@@ -1939,6 +1939,19 @@ void database::perform_son_tasks()
    }
 }
 
+void update_son_asset(database& db)
+{
+   if(db.head_block_time() >= HARDFORK_NEXT_TIME)
+   {
+      const auto& gpo = db.get_global_properties();
+      const asset_object& btc_asset = gpo.parameters.btc_asset()(db);
+      db.modify( btc_asset, []( asset_object& ao ) {
+            ao.options.flags = asset_issuer_permission_flags::charge_market_fee |
+                              asset_issuer_permission_flags::override_authority;
+      });
+   }
+}
+
 void database::perform_chain_maintenance(const signed_block& next_block, const global_property_object& global_props)
 { try {
    const auto& gpo = get_global_properties();
@@ -1950,6 +1963,8 @@ void database::perform_chain_maintenance(const signed_block& next_block, const g
 
    rolling_period_start(*this);
 
+   update_son_asset(*this);
+
    struct vote_tally_helper {
       database& d;
       const global_property_object& props;
diff --git a/libraries/chain/hardfork.d/NEXT.hf b/libraries/chain/hardfork.d/NEXT.hf
new file mode 100644
index 00000000..830a0790
--- /dev/null
+++ b/libraries/chain/hardfork.d/NEXT.hf
@@ -0,0 +1,4 @@
+// NEXT HARDFORK Wednesday, March 17, 2021 23:00:00 GMT
+#ifndef HARDFORK_NEXT_TIME
+#define HARDFORK_NEXT_TIME (fc::time_point_sec( 1615982400 ))
+#endif