diff --git a/Adaptation/FileHandlers/OpenInsight/FileRead.cs b/Adaptation/FileHandlers/OpenInsight/FileRead.cs
index e658a72..09848cb 100644
--- a/Adaptation/FileHandlers/OpenInsight/FileRead.cs
+++ b/Adaptation/FileHandlers/OpenInsight/FileRead.cs
@@ -156,7 +156,7 @@ public class FileRead : Shared.FileRead, IFileRead
                 long? subGroupId;
                 long breakAfter = dateTime.AddSeconds(_BreakAfterSeconds).Ticks;
                 long preWait = _FileConnectorConfiguration?.FileHandleWaitTime is null ? dateTime.AddMilliseconds(1234).Ticks : dateTime.AddMilliseconds(_FileConnectorConfiguration.FileHandleWaitTime.Value).Ticks;
-                if (string.IsNullOrEmpty(descriptions[0].Reactor) || string.IsNullOrEmpty(descriptions[0].PSN) || string.IsNullOrEmpty(descriptions[0].RDS))
+                if (string.IsNullOrEmpty(descriptions[0].Reactor) || string.IsNullOrEmpty(descriptions[0].PSN))
                     (subGroupId, count) = (null, null);
                 else
                     (subGroupId, count, string _) = FromIQS.GetCommandText(_IqsConnectionString, _Logistics, descriptions[0], breakAfter, preWait);
diff --git a/Adaptation/FileHandlers/OpenInsight/FromIQS.cs b/Adaptation/FileHandlers/OpenInsight/FromIQS.cs
index 3d279b9..da1a781 100644
--- a/Adaptation/FileHandlers/OpenInsight/FromIQS.cs
+++ b/Adaptation/FileHandlers/OpenInsight/FromIQS.cs
@@ -50,12 +50,13 @@ public class FromIQS
                 .AppendLine(" where se.f_flag = 0 ");
         if (subGroupId is not null)
             _ = result.Append("   and se.f_sgrp = ").Append(subGroupId).AppendLine("  ");
+        if (!string.IsNullOrEmpty(description.RDS))
+            _ = result.Append("   and pl.f_name = '").Append(description.RDS).AppendLine("' ");
         _ = result
                 .Append("   and rd.f_name = '").Append(description.Reactor).AppendLine("' ")
                 .Append("   and pd.f_name = '").Append(description.PSN).AppendLine("' ")
                 .AppendLine("   and jd.f_name in ('BIORAD2', 'BIORAD3', 'BIORAD4', 'BIORAD5') ")
                 .Append("   and jd.f_name = '").Append(logistics.MesEntity).AppendLine("' ")
-                .Append("   and pl.f_name = '").Append(string.IsNullOrEmpty(description.RDS) ? "<blank>" : description.RDS).AppendLine("' ")
                 .Append("   and dateadd(HH, -7, (dateadd(SS, convert(bigint, se.f_sgtm), '19700101'))) = '").Append(dateTime).AppendLine("' ")
                 .AppendLine("   for json path ");
         return result.ToString();