diff --git a/data/pmcs/202403-ME.xls b/data/pmcs/202403-ME.xls
new file mode 100644
index 0000000..1b7c020
--- /dev/null
+++ b/data/pmcs/202403-ME.xls
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5264848773f383ef9def606a293a7c6f30fdf71a0256f9860166d9c00d54d180
+size 6268416
diff --git a/milestones/celeb.py b/milestones/celeb.py
index 474c281..d5bbfc1 100644
--- a/milestones/celeb.py
+++ b/milestones/celeb.py
@@ -286,9 +286,7 @@ def generate_doc(args, milestones):
                 get_pmcs_path_months(args.pmcs_data, months), args.local_data
             )
 
-    inc = args.inc
-
-    milestones = [ms for ms in milestones if ms.celebrate]
+    milestones = [ms for ms in milestones if ms.milestone_tracking]
 
     milestones = sorted(milestones, key=lambda ms: ms.fdue)
 
@@ -321,8 +319,8 @@ def generate_doc(args, milestones):
                 f"controls system for {p6_date.strftime('%B %Y')}. {compline}"
             )
 
-    with doc.section("Top milestones") as my_section:
-        top_milestones = [ms for ms in milestones if ms.celebrate == "Top"]
+    with doc.section("Key milestones") as my_section:
+        top_milestones = [ms for ms in milestones if ms.milestone_tracking]
         write_html(top_milestones, args.pmcs_data, comp_milestones, compline)
         if args.table:
             write_table(my_section, top_milestones, comp_milestones)
@@ -334,14 +332,6 @@ def generate_doc(args, milestones):
                 "`here <./top_milestones.html>`_."
             )
 
-    if "Y" == inc:
-        with doc.section("Supporting milestones") as my_section:
-            o_milestones = [ms for ms in milestones if ms.celebrate == "Y"]
-            if args.table:
-                write_table(my_section, o_milestones, comp_milestones)
-            else:
-                write_list(my_section, o_milestones, comp_milestones)
-
     return doc.get_result()
 
 
diff --git a/milestones/milestone.py b/milestones/milestone.py
index 035dc16..a7d1bf9 100644
--- a/milestones/milestone.py
+++ b/milestones/milestone.py
@@ -20,6 +20,7 @@ class Milestone(object):
     start: Optional[datetime] = None
     completed: Optional[datetime] = None
     celebrate: Optional[str] = ""
+    milestone_tracking: Optional[str] = ""
     summarychart: Optional[str] = ""
 
     predecessors: Set[str] = field(default_factory=set)