diff --git a/pinaxcon/registrasion/models.py b/pinaxcon/registrasion/models.py
index 4f53651d35cf073e3b705fbe4e66708e612b52ec..7acc2eb3f5456efa196467fd176d52214d2343ad 100644
--- a/pinaxcon/registrasion/models.py
+++ b/pinaxcon/registrasion/models.py
@@ -114,7 +114,9 @@ class AttendeeProfile(rego.AttendeeProfileBase):
 
     address_line_1 = models.CharField(
         verbose_name="Address line 1",
-        help_text="This address, if provided, will appear on your invoices.",
+        help_text="This address, if provided, will appear on your invoices. "
+                  "It is also where we will ship your Swag Badge "
+                  "if you are allocated one.",
         max_length=1024,
         blank=True,
     )
@@ -149,6 +151,8 @@ class AttendeeProfile(rego.AttendeeProfileBase):
         help_text="Being under 18 will not stop you from attending the "
                   "conference. We need to know whether you are over 18 to "
                   "allow us to cater for you at venues that serve alcohol.",
+        blank=True, # LCA2021 - not needed.
+        default=False,
     )
     dietary_restrictions = models.CharField(
         verbose_name="Food allergies, intolerances, or dietary restrictions",
@@ -208,6 +212,7 @@ class AttendeeProfile(rego.AttendeeProfileBase):
                   "Linux Australia conferences who share the same Single Sign "
                   "On system.",
         blank=True,
+        default=False,
     )
 
     past_lca = models.ManyToManyField(