diff --git a/Trigger/TrigValidation/TriggerTest/test/test_data_mc_pp_v8_rerunLVL1PhaseI_build.sh b/Trigger/TrigValidation/TriggerTest/test/test_data_mc_pp_v8_rerunLVL1PhaseI_build.sh
new file mode 100755
index 0000000000000000000000000000000000000000..cfaf7ce746cf68b8c51c603100a2ce3ec57b636a
--- /dev/null
+++ b/Trigger/TrigValidation/TriggerTest/test/test_data_mc_pp_v8_rerunLVL1PhaseI_build.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# art-description: MC v8 TriggerTest on data with rerunLVL1PhaseI=True
+# art-type: build
+# art-include: 21.3/Athena
+# art-output: HLTChain.txt
+# art-output: HLTTE.txt
+# art-output: L1AV.txt
+# art-output: HLTconfig_*.xml
+# art-output: L1Topoconfig*.xml
+# art-output: LVL1config*.xml
+# art-output: *.log
+# art-output: costMonitoring_*
+# art-output: *.root
+# art-output: ntuple.pmon.gz
+# art-output: *perfmon*
+# art-output: TotalEventsProcessed.txt
+# art-output: *.regtest.new
+
+export NAME="data_mc_pp_v8_rerunLVL1PhaseI_build"
+export MENU="MC_pp_v8"
+export EVENTS="100"
+export INPUT="data"
+export EXTRA="rerunLVL1PhaseI=True;"
+
+# The flag below skips HLTTE and L1 counts checks, but keeps the HLTChain counts check.
+# This is needed because we run on data without rerunLvl1, so we only produce HLTChain counts.
+export SKIP_CHAIN_DUMP=2
+
+source exec_athena_art_trigger_validation.sh
+source exec_art_triggertest_post.sh
diff --git a/Trigger/TrigValidation/TriggerTest/test/test_data_mc_pp_v8_rerunLVL1PhaseI_grid.sh b/Trigger/TrigValidation/TriggerTest/test/test_data_mc_pp_v8_rerunLVL1PhaseI_grid.sh
new file mode 100755
index 0000000000000000000000000000000000000000..13111ba5d67c5c05ea27fd05299ee6d7efad1b43
--- /dev/null
+++ b/Trigger/TrigValidation/TriggerTest/test/test_data_mc_pp_v8_rerunLVL1PhaseI_grid.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# art-description: MC v8 TriggerTest on data with rerunLVL1PhaseI=True
+# art-type: grid
+# art-include: 21.3/Athena
+# art-output: HLTChain.txt
+# art-output: HLTTE.txt
+# art-output: L1AV.txt
+# art-output: HLTconfig_*.xml
+# art-output: L1Topoconfig*.xml
+# art-output: LVL1config*.xml
+# art-output: *.log
+# art-output: costMonitoring_*
+# art-output: *.root
+# art-output: ntuple.pmon.gz
+# art-output: *perfmon*
+# art-output: TotalEventsProcessed.txt
+# art-output: *.regtest.new
+
+export NAME="data_mc_pp_v8_rerunLVL1PhaseI_grid"
+export MENU="MC_pp_v8"
+export EVENTS="500"
+export INPUT="data"
+export EXTRA="rerunLVL1PhaseI=True;"
+
+# The flag below skips HLTTE and L1 counts checks, but keeps the HLTChain counts check.
+# This is needed because we run on data without rerunLvl1, so we only produce HLTChain counts.
+export SKIP_CHAIN_DUMP=2
+
+source exec_athena_art_trigger_validation.sh
+source exec_art_triggertest_post.sh