diff --git a/.datalad/procedures/conp.py b/.datalad/procedures/conp.py
new file mode 100644
index 0000000..b4b84a9
--- /dev/null
+++ b/.datalad/procedures/conp.py
@@ -0,0 +1,27 @@
+"""A procedure to setup local wanted files in CONP mode."""
+
+import sys
+import os.path as op
+from datalad.distribution.dataset import require_dataset
+from datalad.utils import create_tree
+
+GROUP_NAME='conp'
+
+ds = require_dataset(
+    sys.argv[1],
+    check_installed=True,
+    purpose='setup CONP mode',
+)
+
+def set_group_wanted(subds, group_name=GROUP_NAME):
+    subds.repo.set_preferred_content('group', group_name, remote='here')
+    subds.repo.set_preferred_content('wanted', 'groupwanted', remote='here')
+
+set_group_wanted(ds)
+for submod in ds.repo.get_submodules():
+    sub_ds = require_dataset(
+        submod["path"],
+        check_installed=True,
+        purpose='setup CONP mode',
+    )
+    set_group_wanted(sub_ds)