diff --git a/Config-system-requirements.md b/Config-system-requirements.md
index d2531dd..ab4e0f3 100644
--- a/Config-system-requirements.md
+++ b/Config-system-requirements.md
@@ -30,6 +30,8 @@ Use-cases:
 - [ ] Retrieve a single value from config
    - [ ] possibly without starting the server itself?
 - [ ] Add or remove a zone, with all its config values
+- [ ] Add or remove a zone from a catalog zone
+- [ ] Add or remove a forward zone
 - [ ] Change a top-level config object shared by many zones - e.g. `primaries`, `key` etc.
 - [ ] Change a global or view-level value which is inherited by child objects (e.g. `max-refresh-time` change in a view must propagate to all zones in the view, unless zone overrides this specific config)
 - [ ] Change view definition - e.g. `match-clients`