diff --git a/OdbDesignLib/EdaDataFile.cpp b/OdbDesignLib/EdaDataFile.cpp
index ffbb24e5..dcc119de 100644
--- a/OdbDesignLib/EdaDataFile.cpp
+++ b/OdbDesignLib/EdaDataFile.cpp
@@ -349,13 +349,13 @@ namespace Odb::Lib::FileModel::Design
 
                     lineStream >> pCurrentNetRecord->attributesIdString;
                 }
-                else if (line.find(SUBNET_RECORD_TOKEN) == 0)
+                else if (line.find(NetRecord::SubnetRecord::RECORD_TOKEN) == 0)
                 {
                     // component record line
                     std::string token;
 
                     lineStream >> token;
-                    if (token != SUBNET_RECORD_TOKEN) return false;
+                    if (token != NetRecord::SubnetRecord::RECORD_TOKEN) return false;
 
                     if (pCurrentNetRecord != nullptr)
                     {
@@ -369,17 +369,17 @@ namespace Odb::Lib::FileModel::Design
 
                     // subnet type
                     lineStream >> token;
-                    if (token == "VIA")
+                    if (token == NetRecord::SubnetRecord::RECORD_TYPE_VIA_TOKEN)
                     {
                         pCurrentSubnetRecord = std::make_shared<NetRecord::SubnetRecord>();
                         pCurrentSubnetRecord->type = NetRecord::SubnetRecord::Type::Via;
                     }
-                    else if (token == "TRC")
+                    else if (token == NetRecord::SubnetRecord::RECORD_TYPE_TRACE_TOKEN)
                     {
                         pCurrentSubnetRecord = std::make_shared<NetRecord::SubnetRecord>();
                         pCurrentSubnetRecord->type = NetRecord::SubnetRecord::Type::Trace;
                     }
-                    else if (token == "PLN")
+                    else if (token == NetRecord::SubnetRecord::RECORD_TYPE_PLANE_TOKEN)
                     {
                         pCurrentSubnetRecord = std::make_shared<NetRecord::PlaneSubnetRecord>();
                         pCurrentSubnetRecord->type = NetRecord::SubnetRecord::Type::Plane;
@@ -425,7 +425,7 @@ namespace Odb::Lib::FileModel::Design
                         // fill size
                         lineStream >> std::dynamic_pointer_cast<NetRecord::PlaneSubnetRecord>(pCurrentSubnetRecord)->fillSize;
                     }
-                    else if (token == "TOP")
+                    else if (token == NetRecord::SubnetRecord::RECORD_TYPE_TOEPRINT_TOKEN)
                     {
                         pCurrentSubnetRecord = std::make_shared<NetRecord::ToeprintSubnetRecord>();
                         pCurrentSubnetRecord->type = NetRecord::SubnetRecord::Type::Toeprint;
diff --git a/OdbDesignLib/EdaDataFile.h b/OdbDesignLib/EdaDataFile.h
index 864d37d7..04fb9051 100644
--- a/OdbDesignLib/EdaDataFile.h
+++ b/OdbDesignLib/EdaDataFile.h
@@ -82,6 +82,13 @@ namespace Odb::Lib::FileModel::Design
 
 				Type type;
 				FeatureIdRecord::Vector m_featureIdRecords;
+
+				inline static const std::string RECORD_TOKEN = "SNT";
+				inline static const std::string RECORD_TYPE_TRACE_TOKEN = "TRC";
+				inline static const std::string RECORD_TYPE_VIA_TOKEN = "VIA";
+				inline static const std::string RECORD_TYPE_TOEPRINT_TOKEN = "TOP";
+				inline static const std::string RECORD_TYPE_PLANE_TOKEN = "PLN";
+				
 			}; // SubnetRecord
 
 			struct DECLSPEC ToeprintSubnetRecord : public SubnetRecord, public IProtoBuffable<odbdesign::proto::EdaDataFile::NetRecord::ToeprintSubnetRecord>
@@ -244,7 +251,7 @@ namespace Odb::Lib::FileModel::Design
 		inline static const std::string ATTRIBUTE_NAME_TOKEN = "@";
 		inline static const std::string ATTRIBUTE_VALUE_TOKEN = "&";
 		inline static const std::string NET_RECORD_TOKEN = "NET";
-		inline static const std::string SUBNET_RECORD_TOKEN = "SNT";
+		//inline static const std::string SUBNET_RECORD_TOKEN = "SNT";		
 		inline static const std::string FEATURE_ID_RECORD_TOKEN = "FID";
 		inline static const std::string PACKAGE_RECORD_TOKEN = "PKG";
 		inline static const std::string PIN_RECORD_TOKEN = "PIN";