diff --git a/source/Lib/CommonLib/Slice.cpp b/source/Lib/CommonLib/Slice.cpp
index 57b5286b51380c7b33b88353ec2db861da641045..7531b345cff586c13a649251e511337e7b3d19bb 100644
--- a/source/Lib/CommonLib/Slice.cpp
+++ b/source/Lib/CommonLib/Slice.cpp
@@ -701,6 +701,30 @@ void Slice::checkRPL(const ReferencePictureList* pRPL0, const ReferencePictureLi
 
           CHECK( pcRefPic->temporalId > m_pcPic->temporalId, "The picture referred to by each active entry in RefPicList[ 0 ] or RefPicList[ 1 ] shall be present in the DPB and shall have TemporalId less than or equal to that of the current picture." );
         }
+#if JVET_R0046_IRAP_ASPECT2
+        // Add a constraint on an ILRP being either an IRAP picture or having TemporalId less than or equal to
+        // Max (0, vps_max_tid_il_ref_pics_plus1[ refPicVpsLayerId ] - 1 ), with refPicVpsLayerId equal to the value of
+        // the nuh_layer_id of the referenced picture.
+        if (rpl[refPicList]->isInterLayerRefPic(i))
+        {
+          bool cond1      = (pcRefPic->getPictureType() == NAL_UNIT_CODED_SLICE_GDR);
+          bool cond2      = (pcRefPic->slices[0]->getPicHeader()->getRecoveryPocCnt() == 0);
+          bool cond3      = (pcRefPic->cs->slice->isIRAP());
+          
+          const VPS *vps                  = pcRefPic->cs->vps;
+          const int  maxTidILRefPicsPlus1 = vps->getMaxTidIlRefPicsPlus1(layerIdx, pcRefPic->layerId);
+          bool cond4 = (pcRefPic->temporalId < maxTidILRefPicsPlus1);
+
+          CHECK((cond1 && cond2) || cond3 || cond4,
+                "Either of the following conditions shall apply for the picture referred to by each ILRP entry, when "
+                "present, in RefPicList[ 0 ] or RefPicList[ 1 ] of a slice of the current picture:-The picture is a "
+                "GDR picture with "
+                "ph_recovery_poc_cnt equal to 0 or an IRAP picture."
+                "-The picture has TemporalId less than vps_max_tid_il_ref_pics_plus1[ currLayerIdx ][ refLayerIdx ], "
+                "where currLayerIdx and refLayerIdx are equal to "
+                "GeneralLayerIdx[ nuh_layer_id ] and GeneralLayerIdx[ refpicLayerId ], respectively. ");
+        }
+#endif
       }
     }
   }
diff --git a/source/Lib/CommonLib/TypeDef.h b/source/Lib/CommonLib/TypeDef.h
index f602c9ba995196217be2afe69f75fe969da5feb8..3ed30b28452768c42a88cda873f895a506ae14af 100644
--- a/source/Lib/CommonLib/TypeDef.h
+++ b/source/Lib/CommonLib/TypeDef.h
@@ -68,7 +68,7 @@
 #define FIX_SUBPICS_W_RPR                                 1 // Fix handling of RPR with subpictures (via scaling windows with no resolution change)
 #define JVET_S0175_ASPECT5                                1 // use u(8) instead of u(4) for (ffi_)display_elemental_periods_minus1 and pt_display_elemental_periods_minus1
 #define JVET_S0175_ASPECT6                                1 // The general_nal_hrd_params_present_flag and general_vcl_hrd_params_present_flag are allowed to both be equal to 0
-
+#define JVET_R0046_IRAP_ASPECT2                           1 // Add a constraint on an ILRP being either an IRAP picture or having TemporalId less than or equal to Max (0, vps_max_tid_il_ref_pics_plus1[ refPicVpsLayerId ] - 1 )
 
 //########### place macros to be be kept below this line ###############
 #define JVET_S0257_DUMP_360SEI_MESSAGE                    1 // Software support of 360 SEI messages