diff --git a/inc/saiacl.h b/inc/saiacl.h
index 4989c3d16..71ac6bc90 100644
--- a/inc/saiacl.h
+++ b/inc/saiacl.h
@@ -1647,10 +1647,19 @@ typedef enum _sai_acl_table_attr_t
      */
     SAI_ACL_TABLE_ATTR_FIELD_CSIG_D_BIT = SAI_ACL_TABLE_ATTR_FIELD_START + 0x166,
 
+    /**
+     * @brief Match on a mirror copy packet
+     *
+     * @type bool
+     * @flags CREATE_ONLY
+     * @default false
+     */
+    SAI_ACL_TABLE_ATTR_FIELD_MIRROR_COPY = SAI_ACL_TABLE_ATTR_FIELD_START + 0x167,
+
     /**
      * @brief End of ACL Table Match Field
      */
-    SAI_ACL_TABLE_ATTR_FIELD_END = SAI_ACL_TABLE_ATTR_FIELD_CSIG_D_BIT,
+    SAI_ACL_TABLE_ATTR_FIELD_END = SAI_ACL_TABLE_ATTR_FIELD_MIRROR_COPY,
 
     /**
      * @brief ACL table entries associated with this table.
@@ -2825,10 +2834,19 @@ typedef enum _sai_acl_entry_attr_t
      */
     SAI_ACL_ENTRY_ATTR_FIELD_CSIG_D_BIT = SAI_ACL_ENTRY_ATTR_FIELD_START + 0x166,
 
+    /**
+     * @brief Match on a mirror copy packet
+     *
+     * @type sai_acl_field_data_t bool
+     * @flags CREATE_AND_SET
+     * @default disabled
+     */
+    SAI_ACL_ENTRY_ATTR_FIELD_MIRROR_COPY = SAI_ACL_ENTRY_ATTR_FIELD_START + 0x167,
+
     /**
      * @brief End of Rule Match Fields
      */
-    SAI_ACL_ENTRY_ATTR_FIELD_END = SAI_ACL_ENTRY_ATTR_FIELD_CSIG_D_BIT,
+    SAI_ACL_ENTRY_ATTR_FIELD_END = SAI_ACL_ENTRY_ATTR_FIELD_MIRROR_COPY,
 
     /*
      * Actions [sai_acl_action_data_t]