diff --git a/corepos/enum.py b/corepos/enum.py
index fd3b238..62c16ac 100644
--- a/corepos/enum.py
+++ b/corepos/enum.py
@@ -79,3 +79,16 @@ HOUSE_COUPON_MINIMUM_TYPE = OrderedDict([
     (HOUSE_COUPON_MINIMUM_TYPE_QTY_MORE_THAN,           "Quantity (more than)"),
     (HOUSE_COUPON_MINIMUM_TYPE_QTY_AT_LEAST,            "Quantity (at least)"),
 ])
+
+
+MEMBER_CONTACT_PREFERENCE_NO_CONTACT                    = 0
+MEMBER_CONTACT_PREFERENCE_POSTAL_MAIL_ONLY              = 1
+MEMBER_CONTACT_PREFERENCE_EMAIL_ONLY                    = 2
+MEMBER_CONTACT_PREFERENCE_BOTH                          = 3
+
+MEMBER_CONTACT_PREFERENCE = OrderedDict([
+    (MEMBER_CONTACT_PREFERENCE_NO_CONTACT,              "no contact"),
+    (MEMBER_CONTACT_PREFERENCE_POSTAL_MAIL_ONLY,        "postal mail only"),
+    (MEMBER_CONTACT_PREFERENCE_EMAIL_ONLY,              "email only"),
+    (MEMBER_CONTACT_PREFERENCE_BOTH,                    "both (postal mail and email)"),
+])