diff --git a/app/models/constants/case_log.rb b/app/models/constants/case_log.rb
index ce737da7b..e8e3c2a58 100644
--- a/app/models/constants/case_log.rb
+++ b/app/models/constants/case_log.rb
@@ -210,16 +210,15 @@ module Constants::CaseLog
   }.freeze
 
   PERIOD = {
-    "Weekly for 52 weeks" => 1,
-    "Fortnightly" => 2,
-    "Four-weekly" => 3,
-    "Calendar monthly" => 4,
-    "Weekly for 50 weeks" => 5,
-    "Weekly for 49 weeks" => 6,
-    "Weekly for 48 weeks" => 7,
-    "Weekly for 47 weeks" => 8,
-    "Weekly for 46 weeks" => 9,
-    "Weekly for 53 weeks" => 10,
+    "1. Weekly for 52 weeks" => 1,
+    "2. Every 2 weeks" => 2,
+    "3. Every 4 weeks" => 3,
+    "4. Every calendar month" => 4,
+    "5. Weekly for 50 weeks" => 5,
+    "6. Weekly for 49 weeks" => 6,
+    "7. Weekly for 48 weeks" => 7,
+    "8. Weekly for 47 weeks" => 8,
+    "9. Weekly for 46 weeks" => 9,
   }.freeze
 
   LATIME = {
diff --git a/config/forms/2021_2022.json b/config/forms/2021_2022.json
index ca80e3a79..d21863a8b 100644
--- a/config/forms/2021_2022.json
+++ b/config/forms/2021_2022.json
@@ -1971,16 +1971,15 @@
                   "hint_text": "",
                   "type": "radio",
                   "answer_options": {
-                    "0": "Weekly for 52 weeks",
-                    "1": "Fortnightly",
-                    "2": "Four-weekly",
-                    "3": "Calendar monthly",
-                    "4": "Weekly for 50 weeks",
-                    "5": "Weekly for 49 weeks",
-                    "6": "Weekly for 48 weeks",
-                    "7": "Weekly for 47 weeks",
-                    "8": "Weekly for 46 weeks",
-                    "9": "Weekly for 53 weeks"
+                    "0": "1. Weekly for 52 weeks",
+                    "1": "2. Every 2 weeks",
+                    "2": "3. Every 4 weeks",
+                    "3": "4. Every calendar month",
+                    "4": "5. Weekly for 50 weeks",
+                    "5": "6. Weekly for 49 weeks",
+                    "6": "7. Weekly for 48 weeks",
+                    "7": "8. Weekly for 47 weeks",
+                    "8": "9. Weekly for 46 weeks"
                   }
                 }
               },
diff --git a/spec/factories/case_log.rb b/spec/factories/case_log.rb
index ce18923af..2668914f9 100644
--- a/spec/factories/case_log.rb
+++ b/spec/factories/case_log.rb
@@ -72,7 +72,7 @@ FactoryBot.define do
       wchair { "Yes" }
       earnings { 68 }
       benefits { "2. Some" }
-      period { "Fortnightly" }
+      period { "2. Every 2 weeks" }
       brent { 200 }
       scharge { 50 }
       pscharge { 40 }
diff --git a/spec/fixtures/complete_case_log.json b/spec/fixtures/complete_case_log.json
index ad944f825..2f1585630 100644
--- a/spec/fixtures/complete_case_log.json
+++ b/spec/fixtures/complete_case_log.json
@@ -78,7 +78,7 @@
     "earnings": 150,
     "benefits": "2. Some",
     "hb": "6. Universal Credit with housing element (excluding housing benefit)",
-    "period": "Fortnightly",
+    "period": "2. Every 2 weeks",
     "brent": 200,
     "scharge": 50,
     "pscharge": 40,
diff --git a/spec/fixtures/forms/2021_2022.json b/spec/fixtures/forms/2021_2022.json
index 025669ca5..ad6bb13c1 100644
--- a/spec/fixtures/forms/2021_2022.json
+++ b/spec/fixtures/forms/2021_2022.json
@@ -461,8 +461,8 @@
                     "header": "Which period are rent and other charges due?",
                     "type": "radio",
                     "answer_options": {
-                      "0": "Weekly for 52 weeks",
-                      "1": "Fortnightly"
+                      "0": "1. Weekly for 52 weeks",
+                      "1": "2. Every 2 weeks"
                     }
                   },
                   "brent": {