diff --git a/source/Lib/CommonLib/TypeDef.h b/source/Lib/CommonLib/TypeDef.h
index b03001080d23a5cef156e2262a87e1aa6441ba67..a363ffcb2266c789abcdf67b6ba6f1a5532c1a56 100644
--- a/source/Lib/CommonLib/TypeDef.h
+++ b/source/Lib/CommonLib/TypeDef.h
@@ -51,6 +51,7 @@
 #include <cassert>
 
 //########### place macros to be removed in next cycle below this line ###############
+#define JVET_R0266_DESC                                   1 // JVET-R0266: change the signalling of the PPS ID from ue(v) to u(6); Code virtual boundary positions using ue(v)
 #define JVET_R0330_CRS_CLIP_REM                           1 // JVET-R0330: Remove redundant clipping in chroma residual scaling factor derivation
 
 #define JVET_R0059_RPL_CLEANUP                            1 // JVET-R0059 aspect 2: Condition the signalling of ltrp_in_header_flag[ listIdx ][ rplsIdx ].
diff --git a/source/Lib/DecoderLib/VLCReader.cpp b/source/Lib/DecoderLib/VLCReader.cpp
index 8193a66945070203cdc902f63a9d79f31f30a5fc..646bcffb95aba3ef1363892941a1eb2712e9664a 100644
--- a/source/Lib/DecoderLib/VLCReader.cpp
+++ b/source/Lib/DecoderLib/VLCReader.cpp
@@ -427,8 +427,11 @@ void HLSyntaxReader::parsePPS( PPS* pcPPS )
   uint32_t  uiCode;
 
   int   iCode;
-
+#if JVET_R0266_DESC
+  READ_CODE(6, uiCode, "pps_pic_parameter_set_id");
+#else
   READ_UVLC( uiCode, "pps_pic_parameter_set_id");
+#endif
   CHECK(uiCode > 63, "PPS id exceeds boundary (63)");
   pcPPS->setPPSId (uiCode);
 
@@ -2487,12 +2490,20 @@ void HLSyntaxReader::parsePictureHeader( PicHeader* picHeader, ParameterSetManag
       READ_CODE( 2, uiCode, "ph_num_ver_virtual_boundaries");        picHeader->setNumVerVirtualBoundaries( uiCode );
       for( unsigned i = 0; i < picHeader->getNumVerVirtualBoundaries(); i++ )
       {
+#if JVET_R0266_DESC
+        READ_UVLC(uiCode, "ph_virtual_boundaries_pos_x");        picHeader->setVirtualBoundariesPosX(uiCode << 3, i);
+#else
         READ_CODE(13, uiCode, "ph_virtual_boundaries_pos_x");        picHeader->setVirtualBoundariesPosX(uiCode << 3, i);
+#endif
       }
       READ_CODE( 2, uiCode, "ph_num_hor_virtual_boundaries");        picHeader->setNumHorVirtualBoundaries( uiCode );
       for( unsigned i = 0; i < picHeader->getNumHorVirtualBoundaries(); i++ )
       {
+#if JVET_R0266_DESC
+        READ_UVLC(uiCode, "ph_virtual_boundaries_pos_y");        picHeader->setVirtualBoundariesPosY(uiCode << 3, i);
+#else
         READ_CODE(13, uiCode, "ph_virtual_boundaries_pos_y");        picHeader->setVirtualBoundariesPosY(uiCode << 3, i);
+#endif
       }
     }
     else
diff --git a/source/Lib/EncoderLib/VLCWriter.cpp b/source/Lib/EncoderLib/VLCWriter.cpp
index 6a6cb98491fe9e0a1ee126cb9ccf2d6d1953c86c..09b46b2405325ad296f7951195362868b3d29a7f 100644
--- a/source/Lib/EncoderLib/VLCWriter.cpp
+++ b/source/Lib/EncoderLib/VLCWriter.cpp
@@ -255,8 +255,11 @@ void HLSWriter::codePPS( const PPS* pcPPS )
 #if ENABLE_TRACING
   xTracePPSHeader ();
 #endif
-
+#if JVET_R0266_DESC
+  WRITE_CODE( pcPPS->getPPSId(), 6,                          "pps_pic_parameter_set_id" );
+#else
   WRITE_UVLC( pcPPS->getPPSId(),                             "pps_pic_parameter_set_id" );
+#endif
   WRITE_CODE( pcPPS->getSPSId(), 4,                          "pps_seq_parameter_set_id" );
 
   WRITE_FLAG( pcPPS->getMixedNaluTypesInPicFlag() ? 1 : 0,   "mixed_nalu_types_in_pic_flag" );
@@ -1136,12 +1139,20 @@ void HLSWriter::codeSPS( const SPS* pcSPS )
       WRITE_CODE( pcSPS->getNumVerVirtualBoundaries(), 2, "sps_num_ver_virtual_boundaries");
       for( unsigned i = 0; i < pcSPS->getNumVerVirtualBoundaries(); i++ )
       {
+#if JVET_R0266_DESC
+        WRITE_UVLC((pcSPS->getVirtualBoundariesPosX(i)>>3), "sps_virtual_boundaries_pos_x");
+#else
         WRITE_CODE((pcSPS->getVirtualBoundariesPosX(i)>>3), 13, "sps_virtual_boundaries_pos_x");
+#endif
       }
       WRITE_CODE(pcSPS->getNumHorVirtualBoundaries(), 2, "sps_num_hor_virtual_boundaries");
       for( unsigned i = 0; i < pcSPS->getNumHorVirtualBoundaries(); i++ )
       {
+#if JVET_R0266_DESC
+        WRITE_UVLC((pcSPS->getVirtualBoundariesPosY(i)>>3), "sps_virtual_boundaries_pos_y");
+#else
         WRITE_CODE((pcSPS->getVirtualBoundariesPosY(i)>>3), 13, "sps_virtual_boundaries_pos_y");
+#endif
       }
     }
   }