diff --git a/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_v1Dev_build.ref b/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_v1Dev_build.ref
index a1e298695f04237e8e031d90d63c8b0291fe325f..a227aee7c2d97980df3bf8b98a8add407bcbe2ba 100644
--- a/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_v1Dev_build.ref
+++ b/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_v1Dev_build.ref
@@ -7331,18 +7331,36 @@ HLT_larnoiseburst_L1XE60:
     0: 5
   stepFeatures:
     0: 5
+HLT_larpsall_L1J12_EMPTY:
+  eventCount: 0
+HLT_larpsall_L1J12_FIRSTEMPTY:
+  eventCount: 0
 HLT_larpsall_L1J15:
   eventCount: 13
   stepCounts:
     0: 13
   stepFeatures:
     0: 13
+HLT_larpsall_L1J30_EMPTY:
+  eventCount: 0
+HLT_larpsall_L1J30_FIRSTEMPTY:
+  eventCount: 0
+HLT_larpsall_L1J30p31ETA49_EMPTY:
+  eventCount: 0
+HLT_larpsall_L1TAU8_EMPTY:
+  eventCount: 0
 HLT_larpsallem_L1EM3:
   eventCount: 20
   stepCounts:
     0: 20
   stepFeatures:
     0: 139
+HLT_larpsallem_L1EM3_EMPTY:
+  eventCount: 0
+HLT_larpsallem_L1EM7_EMPTY:
+  eventCount: 0
+HLT_larpsallem_L1EM7_FIRSTEMPTY:
+  eventCount: 0
 HLT_mb_afprec_L1AFP_A_AND_C_TOF_J20:
   eventCount: 0
 HLT_mb_afprec_L1AFP_A_AND_C_TOF_J30:
@@ -9437,8 +9455,14 @@ HLT_noalg_CSCPEB_L1EM3_EMPTY:
   eventCount: 0
 HLT_noalg_CSCPEB_L1EM7_EMPTY:
   eventCount: 0
+HLT_noalg_CSCPEB_L1EM7_FIRSTEMPTY:
+  eventCount: 0
 HLT_noalg_CSCPEB_L1J12_EMPTY:
   eventCount: 0
+HLT_noalg_CSCPEB_L1J12_FIRSTEMPTY:
+  eventCount: 0
+HLT_noalg_CSCPEB_L1J30_FIRSTEMPTY:
+  eventCount: 0
 HLT_noalg_CSCPEB_L1J30p31ETA49_EMPTY:
   eventCount: 0
 HLT_noalg_CSCPEB_L1TAU8_EMPTY:
diff --git a/Trigger/TrigValidation/TrigP1Test/share/ref_v1Dev_decodeBS_build.ref b/Trigger/TrigValidation/TrigP1Test/share/ref_v1Dev_decodeBS_build.ref
index 3a210656b56d2258c7ece1c1680a8e993816b7d5..40e1c4e49c3fadf99ecb84e826f9b590bbf34eff 100644
--- a/Trigger/TrigValidation/TrigP1Test/share/ref_v1Dev_decodeBS_build.ref
+++ b/Trigger/TrigValidation/TrigP1Test/share/ref_v1Dev_decodeBS_build.ref
@@ -2726,18 +2726,36 @@ HLT_larnoiseburst_L1J75:
   eventCount: 0
 HLT_larnoiseburst_L1XE60:
   eventCount: 0
+HLT_larpsall_L1J12_EMPTY:
+  eventCount: 0
+HLT_larpsall_L1J12_FIRSTEMPTY:
+  eventCount: 0
 HLT_larpsall_L1J15:
   eventCount: 19
   stepCounts:
     0: 19
   stepFeatures:
     0: 19
+HLT_larpsall_L1J30_EMPTY:
+  eventCount: 0
+HLT_larpsall_L1J30_FIRSTEMPTY:
+  eventCount: 0
+HLT_larpsall_L1J30p31ETA49_EMPTY:
+  eventCount: 0
+HLT_larpsall_L1TAU8_EMPTY:
+  eventCount: 0
 HLT_larpsallem_L1EM3:
   eventCount: 36
   stepCounts:
     0: 36
   stepFeatures:
     0: 128
+HLT_larpsallem_L1EM3_EMPTY:
+  eventCount: 0
+HLT_larpsallem_L1EM7_EMPTY:
+  eventCount: 0
+HLT_larpsallem_L1EM7_FIRSTEMPTY:
+  eventCount: 0
 HLT_mb_afprec_L1AFP_A_AND_C_TOF_J20:
   eventCount: 0
 HLT_mb_afprec_L1AFP_A_AND_C_TOF_J30:
@@ -3601,8 +3619,14 @@ HLT_noalg_CSCPEB_L1EM3_EMPTY:
   eventCount: 0
 HLT_noalg_CSCPEB_L1EM7_EMPTY:
   eventCount: 0
+HLT_noalg_CSCPEB_L1EM7_FIRSTEMPTY:
+  eventCount: 0
 HLT_noalg_CSCPEB_L1J12_EMPTY:
   eventCount: 0
+HLT_noalg_CSCPEB_L1J12_FIRSTEMPTY:
+  eventCount: 0
+HLT_noalg_CSCPEB_L1J30_FIRSTEMPTY:
+  eventCount: 0
 HLT_noalg_CSCPEB_L1J30p31ETA49_EMPTY:
   eventCount: 0
 HLT_noalg_CSCPEB_L1TAU8_EMPTY:
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/PhysicsP1_pp_run3_v1.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/PhysicsP1_pp_run3_v1.py
index 65199269b0b58ef4af1ad16fa69e46c6378103fe..e07defe4e4ec200574e005b81875e2532e7e420e 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/PhysicsP1_pp_run3_v1.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/PhysicsP1_pp_run3_v1.py
@@ -70,7 +70,19 @@ def addP1Signatures():
         ChainProp(name='HLT_larnoiseburst_L1J40_XE50', l1SeedThresholds=['FSNOSEED'], stream=['LArNoiseBurst'], groups=['RATE:Calibration','BW:Detector']),
         ChainProp(name='HLT_larnoiseburst_L1J40_XE60', l1SeedThresholds=['FSNOSEED'], stream=['LArNoiseBurst'], groups=['RATE:Calibration','BW:Detector']),
         ChainProp(name='HLT_larnoiseburst_L1All', l1SeedThresholds=['FSNOSEED'], stream=['LArNoiseBurst'], groups=['RATE:Calibration','BW:Detector']),
-
+        
+        ## larpsall/em*FIRSTEMPTY
+        ChainProp(name='HLT_larpsallem_L1EM7_FIRSTEMPTY', l1SeedThresholds=['FSNOSEED'], stream=['LArNoiseBurst'], groups=['RATE:Calibration','BW:Detector']),
+        ChainProp(name='HLT_larpsall_L1J12_FIRSTEMPTY', l1SeedThresholds=['FSNOSEED'], stream=['LArNoiseBurst'], groups=['RATE:Calibration','BW:Detector']),
+        ChainProp(name='HLT_larpsall_L1J30_FIRSTEMPTY', l1SeedThresholds=['FSNOSEED'], stream=['LArNoiseBurst'], groups=['RATE:Calibration','BW:Detector']),
+        
+        ## larpsall/em*EMPTY
+        ChainProp(name='HLT_larpsallem_L1EM3_EMPTY', l1SeedThresholds=['FSNOSEED'], stream=['CosmicCalo','express'],groups=['RATE:Cosmic_Calo','RATE:Calibration','BW:Jet']),
+        ChainProp(name='HLT_larpsallem_L1EM7_EMPTY', l1SeedThresholds=['FSNOSEED'], stream=['CosmicCalo','express'],groups=['RATE:Cosmic_Calo','RATE:Calibration','BW:Jet']),
+        ChainProp(name='HLT_larpsall_L1J12_EMPTY', l1SeedThresholds=['FSNOSEED'], stream=['CosmicCalo','express'],groups=['RATE:Cosmic_Calo','RATE:Calibration','BW:Jet']),
+        ChainProp(name='HLT_larpsall_L1J30_EMPTY', l1SeedThresholds=['FSNOSEED'], stream=['CosmicCalo','express'],groups=['RATE:Cosmic_Calo','RATE:Calibration','BW:Jet']),
+        ChainProp(name='HLT_larpsall_L1TAU8_EMPTY', l1SeedThresholds=['FSNOSEED'], stream=['CosmicCalo','express'],groups=['RATE:Cosmic_Calo','RATE:Calibration','BW:Jet']),
+        ChainProp(name='HLT_larpsall_L1J30p31ETA49_EMPTY', l1SeedThresholds=['FSNOSEED'], stream=['CosmicCalo','express'],groups=['RATE:Cosmic_Calo','RATE:Calibration','BW:Jet']),
     ]
     TriggerFlags.CosmicSlice.signatures    = TriggerFlags.CosmicSlice.signatures() + [
         ChainProp(name='HLT_noalg_SCTPEB_L1RD0_EMPTY', l1SeedThresholds=['FSNOSEED'], stream=['SCTNoise'], groups=['RATE:SCTCalibration','BW:Detector']), # HLT_sct_noise
@@ -147,7 +159,10 @@ def addP1Signatures():
         ChainProp(name='HLT_noalg_CSCPEB_L1J12_EMPTY',  l1SeedThresholds=['FSNOSEED'], stream=['LArCellsEmpty'],groups=['RATE:Calibration','BW:Detector']),
         ChainProp(name='HLT_noalg_CSCPEB_L1TAU8_EMPTY', l1SeedThresholds=['FSNOSEED'], stream=['LArCellsEmpty'],groups=['RATE:Calibration','BW:Detector']),
         ChainProp(name='HLT_noalg_CSCPEB_L1J30p31ETA49_EMPTY', l1SeedThresholds=['FSNOSEED'], stream=['LArCellsEmpty'],groups=['RATE:Calibration','BW:Detector']),
-
+        #
+        ChainProp(name='HLT_noalg_CSCPEB_L1EM7_FIRSTEMPTY',  l1SeedThresholds=['FSNOSEED'],  stream=['LArCellsEmpty'],groups=['RATE:Calibration','BW:Detector']),
+        ChainProp(name='HLT_noalg_CSCPEB_L1J12_FIRSTEMPTY',  l1SeedThresholds=['FSNOSEED'],  stream=['LArCellsEmpty'],groups=['RATE:Calibration','BW:Detector']),
+        ChainProp(name='HLT_noalg_CSCPEB_L1J30_FIRSTEMPTY',  l1SeedThresholds=['FSNOSEED'],  stream=['LArCellsEmpty'],groups=['RATE:Calibration','BW:Detector']),
         # LAr
         ChainProp(name='HLT_noalg_LArPEBCalib_L1LAR-ZEE', l1SeedThresholds=['FSNOSEED'], stream=['LArCells'],groups=['RATE:Calibration','BW:Detector']),