diff --git a/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_mt1_build.ref b/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_mt1_build.ref
index 869acfa17a01d411494e251b927936f271900d56..03a43b3222acd207202c7224725ab80267adf04c 100644
--- a/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_mt1_build.ref
+++ b/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_mt1_build.ref
@@ -553,6 +553,12 @@ TrigSignatureMoniMT                                INFO -- #1198298874 Features
 TrigSignatureMoniMT                                INFO HLT_noalg_idmon_L1RD0_UNPAIRED_ISO #2536676873
 TrigSignatureMoniMT                                INFO -- #2536676873 Events         0          0          -          -          -          -          -          -          0
 TrigSignatureMoniMT                                INFO -- #2536676873 Features                             -          -          -          -          -          -
+TrigSignatureMoniMT                                INFO HLT_noalg_mb_L1RD2_EMPTY #3788962163
+TrigSignatureMoniMT                                INFO -- #3788962163 Events         0          0          -          -          -          -          -          -          0
+TrigSignatureMoniMT                                INFO -- #3788962163 Features                             -          -          -          -          -          -
+TrigSignatureMoniMT                                INFO HLT_noalg_zb_L1ZB #1289992951
+TrigSignatureMoniMT                                INFO -- #1289992951 Events         0          0          -          -          -          -          -          -          0
+TrigSignatureMoniMT                                INFO -- #1289992951 Features                             -          -          -          -          -          -
 TrigSignatureMoniMT                                INFO HLT_sct_noise_SCTPEB_L1RD0_EMPTY #3024203296
 TrigSignatureMoniMT                                INFO -- #3024203296 Events         0          0          0          -          -          -          -          -          0
 TrigSignatureMoniMT                                INFO -- #3024203296 Features                             0          -          -          -          -          -
diff --git a/Trigger/TrigValidation/TriggerTest/share/ref_data_v1Dev_build.ref b/Trigger/TrigValidation/TriggerTest/share/ref_data_v1Dev_build.ref
index d4fb1e7343a16e1cc55c52d60a88498d1bebd85e..6644e229ea746af0f6356a1de35f10b192b3b14c 100644
--- a/Trigger/TrigValidation/TriggerTest/share/ref_data_v1Dev_build.ref
+++ b/Trigger/TrigValidation/TriggerTest/share/ref_data_v1Dev_build.ref
@@ -553,6 +553,12 @@ TrigSignatureMoniMT                                 INFO -- #1198298874 Features
 TrigSignatureMoniMT                                 INFO HLT_noalg_idmon_L1RD0_UNPAIRED_ISO #2536676873
 TrigSignatureMoniMT                                 INFO -- #2536676873 Events         20         20         -          -          -          -          -          -          20         
 TrigSignatureMoniMT                                 INFO -- #2536676873 Features                             -          -          -          -          -          -          
+TrigSignatureMoniMT                                 INFO HLT_noalg_mb_L1RD2_EMPTY #3788962163
+TrigSignatureMoniMT                                 INFO -- #3788962163 Events         20         20         -          -          -          -          -          -          20         
+TrigSignatureMoniMT                                 INFO -- #3788962163 Features                             -          -          -          -          -          -          
+TrigSignatureMoniMT                                 INFO HLT_noalg_zb_L1ZB #1289992951
+TrigSignatureMoniMT                                 INFO -- #1289992951 Events         20         20         -          -          -          -          -          -          20         
+TrigSignatureMoniMT                                 INFO -- #1289992951 Features                             -          -          -          -          -          -          
 TrigSignatureMoniMT                                 INFO HLT_sct_noise_SCTPEB_L1RD0_EMPTY #3024203296
 TrigSignatureMoniMT                                 INFO -- #3024203296 Events         20         20         20         -          -          -          -          -          20         
 TrigSignatureMoniMT                                 INFO -- #3024203296 Features                             20         -          -          -          -          -          
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py
index 132c2b6f68e49f41a6c2d2101c8fab03691dfbc9..b2f41ec09ffae0f286b2db8b0194e0e301243283 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py
@@ -14,7 +14,7 @@ from TriggerMenuMT.HLTMenuConfig.Menu.MenuPrescaleConfig import addSliceChainsTo
 import TriggerMenuMT.HLTMenuConfig.Menu.MC_pp_run3_v1 as mc_menu
 import TriggerMenuMT.HLTMenuConfig.Menu.PhysicsP1_pp_run3_v1 as p1_menu
 
-from TriggerMenuMT.HLTMenuConfig.Menu.Physics_pp_run3_v1 import PhysicsStream,SingleMuonGroup,MultiMuonGroup,SingleElectronGroup,MultiElectronGroup,SinglePhotonGroup,MultiPhotonGroup,SingleMETGroup,MultiMETGroup,SingleJetGroup,MultiJetGroup,SingleBjetGroup,SingleTauGroup,BphysicsGroup
+from TriggerMenuMT.HLTMenuConfig.Menu.Physics_pp_run3_v1 import PhysicsStream,SingleMuonGroup,MultiMuonGroup,SingleElectronGroup,MultiElectronGroup,SinglePhotonGroup,MultiPhotonGroup,SingleMETGroup,MultiMETGroup,SingleJetGroup,MultiJetGroup,SingleBjetGroup,SingleTauGroup,BphysicsGroup,MinBiasGroup,ZeroBiasGroup
 
 def setupMenu():
 
@@ -240,6 +240,7 @@ def setupMenu():
         ChainProp(name='HLT_beamspot_allTE_trkfast_BeamSpotPEB_L1J15',  l1SeedThresholds=['FSNOSEED'], stream=['BeamSpot'], groups=['RATE:BeamSpot',  'BW:BeamSpot']),
     ]
     TriggerFlags.MinBiasSlice.signatures   = TriggerFlags.MinBiasSlice.signatures() + [
+        ChainProp(name='HLT_noalg_mb_L1RD2_EMPTY', l1SeedThresholds=['FSNOSEED'], stream=['MinBias'], groups=MinBiasGroup),
         # ChainProp(name='HLT_mb_sp400_trk40_hmt_L1RD0_FILLED',        l1SeedThresholds=['FSNOSEED'], stream=[PhysicsStream], groups=MinBiasGroup),
         # ChainProp(name='HLT_mb_sp600_trk45_hmt_L1RD0_FILLED',        l1SeedThresholds=['FSNOSEED'], stream=[PhysicsStream], groups=MinBiasGroup),
     ]
@@ -248,6 +249,7 @@ def setupMenu():
     ]
 
     TriggerFlags.StreamingSlice.signatures = TriggerFlags.StreamingSlice.signatures() + [
+        ChainProp(name='HLT_noalg_zb_L1ZB', l1SeedThresholds=['FSNOSEED'], stream=['ZeroBias'], groups=ZeroBiasGroup),
     ]
     TriggerFlags.MonitorSlice.signatures   = TriggerFlags.MonitorSlice.signatures() + [
     ]
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/Physics_pp_run3_v1.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/Physics_pp_run3_v1.py
index 3b4f66c1717066b9b4df5bcfd2d0b41be2835daf..22b06fb939072ceadc278e6d91c25ed850790d55 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/Physics_pp_run3_v1.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/Physics_pp_run3_v1.py
@@ -27,6 +27,7 @@ SingleTauGroup = ['RATE:SingleTau', 'BW:Tau']
 #MultiTauGroup = ['RATE:MultiTau', 'BW:Tau']
 BphysicsGroup = ['RATE:Bphysics', 'BW:Bphysics']
 MinBiasGroup = ['RATE:MinBias', 'BW:MinBias']
+ZeroBiasGroup = ['RATE:ZeroBias', 'BW:ZeroBias']
 EgammaStreamersGroup = ['RATE:SeededStreamers', 'BW:Egamma']
 TauStreamersGroup = ['RATE:SeededStreamers', 'BW:Tau']
 JetStreamersGroup = ['RATE:SeededStreamers', 'BW:Jet']
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/StreamInfo.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/StreamInfo.py
index 361a3aa0148fd2a81f84f7e8682d86071641cf37..399d7df8bf223146e123570f311350876848466e 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/StreamInfo.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/StreamInfo.py
@@ -47,7 +47,8 @@ _all_streams = [
     StreamInfo('HardProbes', 'physics', True, True),
     StreamInfo('MinBias', 'physics', True, True),
     # Special stream to be used only for special chains rejecting all events like timeburner
-    StreamInfo('DISCARD', 'unknown', False, False)
+    StreamInfo('DISCARD', 'unknown', False, False),
+    StreamInfo('ZeroBias', 'physics', True, True)
 ]