diff --git a/ynr/apps/candidates/migrations/0093_alter_ballot_by_election_reason.py b/ynr/apps/candidates/migrations/0093_alter_ballot_by_election_reason.py
new file mode 100644
index 000000000..be6bf4290
--- /dev/null
+++ b/ynr/apps/candidates/migrations/0093_alter_ballot_by_election_reason.py
@@ -0,0 +1,70 @@
+# Generated by Django 5.2.13 on 2026-06-05 14:30
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("candidates", "0092_alter_ballot_by_election_reason"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="ballot",
+            name="by_election_reason",
+            field=models.CharField(
+                blank=True,
+                choices=[
+                    ("DEATH", "The elected member died"),
+                    ("RESIGNATION", "The elected member resigned"),
+                    (
+                        "ELECTORAL_COURT",
+                        "The election of the elected member was declared void by an election court",
+                    ),
+                    (
+                        "FAILURE_TO_ACCEPT",
+                        "The previous election winner did not sign a declaration of acceptance",
+                    ),
+                    (
+                        "FAILURE_TO_ATTEND_MEETINGS",
+                        "The elected member failed to attend meetings for six months",
+                    ),
+                    ("DISQUALIFICATION", "The elected member was disqualified"),
+                    (
+                        "LOSING_QUALIFICATION",
+                        "The elected member no longer qualified as a registered elector",
+                    ),
+                    (
+                        "RECALL_PETITION",
+                        "The elected member was recalled by a successful recall petition",
+                    ),
+                    (
+                        "ELECTED_COUNCIL_MAYOR",
+                        "The elected member was elected mayor of the council, and cannot hold both positions.",
+                    ),
+                    (
+                        "ELECTED_PARLIAMENT",
+                        "The elected member was elected Member of the UK Parliament, and cannot hold both positions.",
+                    ),
+                    (
+                        "ELECTED_STRATEGIC_AUTHORITY_MAYOR",
+                        "The elected member was elected mayor of a strategic authority, and cannot hold both positions.",
+                    ),
+                    (
+                        "ELECTED_SENEDD",
+                        "The elected member was elected Member of the Senedd, and cannot hold both positions.",
+                    ),
+                    (
+                        "ELECTED_SCOTTISH_PARLIAMENT",
+                        "The elected member was elected Member of the Scottish Parliament, and cannot hold both positions.",
+                    ),
+                    ("OTHER", "Other"),
+                    ("UNKNOWN", "Unknown"),
+                    ("", "Neither a by-election nor a ballot"),
+                ],
+                default="",
+                help_text='\n    Reasons why a by-election may be triggered.\n\n    Not all of these can be applied to all election types.\n\n    e.g. a recall petition is only used in Westminster, and failure to attend meetings\n    applies to local government.\n\n    An empty string represents ballots that are not applicable, e.g because they\'re not by-elections.\n\n    The choices here are in part based on:\n        UK Electoral Commission guidance on casual vacancies:\n        <a href="https://www.electoralcommission.org.uk/guidance-returning-officers-administering-local-government-elections-england/casual-vacancies-and-elections/how-casual-vacancies-occur">https://www.electoralcommission.org.uk/guidance-returning-officers-administering-local-government-elections-england/casual-vacancies-and-elections/how-casual-vacancies-occur</a>\n\n    \'Disqualification\' can be caused by an elected member being elected to another position.\n    Since \'DISQUALIFICATION\' sounds bad, we\'ve made special cases for by-elections triggered\n    because the member was elected to another position and is disqualified from holding both.\n    In these cases the legislation is:\n        <a href="https://www.legislation.gov.uk/ukpga/2000/22/section/9HA">https://www.legislation.gov.uk/ukpga/2000/22/section/9HA</a> (ELECTED_COUNCIL_MAYOR)\n        <a href="https://commonslibrary.parliament.uk/research-briefings/cbp-10853/">https://commonslibrary.parliament.uk/research-briefings/cbp-10853/</a> (ELECTED_PARLIAMENT)\n        <a href="https://commonslibrary.parliament.uk/research-briefings/cbp-10853/">https://commonslibrary.parliament.uk/research-briefings/cbp-10853/</a> (ELECTED_STRATEGIC_AUTHORITY_MAYOR)\n        <a href="https://www.legislation.gov.uk/ukpga/2006/32/part/1/crossheading/disqualification">https://www.legislation.gov.uk/ukpga/2006/32/part/1/crossheading/disqualification</a> (ELECTED_SENEDD)\n        <a href="https://www.legislation.gov.uk/ukpga/1998/46/part/I/crossheading/disqualification">https://www.legislation.gov.uk/ukpga/1998/46/part/I/crossheading/disqualification</a> (ELECTED_SCOTTISH_PARLIAMENT)\n    ',
+                max_length=40,
+            ),
+        ),
+    ]
diff --git a/ynr/apps/candidates/models/popolo_extra.py b/ynr/apps/candidates/models/popolo_extra.py
index 040119dc7..0e53a902f 100644
--- a/ynr/apps/candidates/models/popolo_extra.py
+++ b/ynr/apps/candidates/models/popolo_extra.py
@@ -123,23 +123,23 @@ class ByElectionReason(models.TextChoices):
     )
     ELECTED_COUNCIL_MAYOR = (
         "ELECTED_COUNCIL_MAYOR",
-        "This by-election was called because the elected member was elected mayor of the council, and cannot hold both positions.",
+        "The elected member was elected mayor of the council, and cannot hold both positions.",
     )
     ELECTED_PARLIAMENT = (
         "ELECTED_PARLIAMENT",
-        "This by-election was called because the elected member was elected Member of the UK Parliament, and cannot hold both positions.",
+        "The elected member was elected Member of the UK Parliament, and cannot hold both positions.",
     )
     ELECTED_STRATEGIC_AUTHORITY_MAYOR = (
         "ELECTED_STRATEGIC_AUTHORITY_MAYOR",
-        "This by-election was called because the elected member was elected mayor of a strategic authority, and cannot hold both positions.",
+        "The elected member was elected mayor of a strategic authority, and cannot hold both positions.",
     )
     ELECTED_SENEDD = (
         "ELECTED_SENEDD",
-        "This by-election was called because the elected member was elected Member of the Senedd, and cannot hold both positions.",
+        "The elected member was elected Member of the Senedd, and cannot hold both positions.",
     )
     ELECTED_SCOTTISH_PARLIAMENT = (
         "ELECTED_SCOTTISH_PARLIAMENT",
-        "This by-election was called because the elected member was elected Member of the Scottish Parliament, and cannot hold both positions.",
+        "The elected member was elected Member of the Scottish Parliament, and cannot hold both positions.",
     )
     OTHER = "OTHER", "Other"
     UNKNOWN = "UNKNOWN", "Unknown"