diff --git a/app/models/validations/sales/household_validations.rb b/app/models/validations/sales/household_validations.rb
index ec73b4abb..e53b7154e 100644
--- a/app/models/validations/sales/household_validations.rb
+++ b/app/models/validations/sales/household_validations.rb
@@ -45,12 +45,6 @@ private
     student = person_is_fulltime_student?(economic_status)
     child = person_is_child?(relationship)
 
-    if age_between_16_19 && student && !child
-      record.errors.add "age#{person_num}", I18n.t("validations.household.age.student_16_19.cannot_be_16_19.student_not_child")
-      record.errors.add "ecstat#{person_num}", I18n.t("validations.household.ecstat.student_16_19.cannot_be_student.16_19_not_child")
-      record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.student_16_19.must_be_child")
-    end
-
     if age_between_16_19 && !student && child
       record.errors.add "age#{person_num}", I18n.t("validations.household.age.student_16_19.cannot_be_16_19.child_not_student")
       record.errors.add "ecstat#{person_num}", I18n.t("validations.household.ecstat.student_16_19.must_be_student")
diff --git a/app/models/validations/sales/soft_validations.rb b/app/models/validations/sales/soft_validations.rb
index a44e0a293..5819b0fe1 100644
--- a/app/models/validations/sales/soft_validations.rb
+++ b/app/models/validations/sales/soft_validations.rb
@@ -103,6 +103,17 @@ module Validations::Sales::SoftValidations
     mscharge > soft_max
   end
 
+  (2..6).each do |person_num|
+    define_method("person_#{person_num}_student_not_child?") do
+      relat = send("relat#{person_num}")
+      ecstat = send("ecstat#{person_num}")
+      age = send("age#{person_num}")
+      return unless age && ecstat && relat
+
+      age.between?(16, 19) && ecstat == 7 && relat != "C"
+    end
+  end
+
 private
 
   def sale_range
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 2d17cf207..d07a84049 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -344,7 +344,6 @@ en:
         not_student_16_19: "Answer cannot be between 16 and 19 as person %{person_num} is a child of the lead tenant but is not a full-time student"
         student_16_19:
           cannot_be_16_19:
-            student_not_child: "Person cannot be aged 16-19 if they are a student but don't have relationship ‘child’"
             child_not_student: "Person cannot be aged 16-19 if they have relationship ‘child’ but are not a student"
           must_be_16_19: "Person must be aged 16-19 if they are a student and have relationship ‘child’"
         partner_under_16: "Cannot be under 16 if the relationship is partner"
@@ -358,7 +357,6 @@ en:
         student_16_19:
           cannot_be_student:
             child_not_16_19: "Person cannot be a student if they are not aged 16-19 but have relationship ‘child’"
-            16_19_not_child: "Person cannot be a student if they are aged 16-19 but don‘t have relationship ‘child’"
           must_be_student: "Person must be a student if they are aged 16-19 and have relationship ‘child’"
         retired_male: "Answer cannot be ‘retired’ as the male tenant is under 65"
         retired_female: "Answer cannot be ‘retired’ as the female tenant is under 60"
@@ -372,7 +370,6 @@ en:
           cannot_be_child:
             student_not_16_19: "Answer cannot be ‘child’ if the person is a student but not aged 16-19"
             16_19_not_student:  "Answer cannot be ‘child’ if the person is aged 16-19 but not a student"
-          must_be_child: "Answer must be ‘child’ if the person is aged 16-19 and a student"
       housingneeds_a:
         one_or_two_choices: "You can only select one option or ‘other disabled access needs’ plus ‘wheelchair-accessible housing’, ‘wheelchair access to essential rooms’ or ‘level access housing’"
       housingneeds_type:
diff --git a/spec/models/validations/sales/household_validations_spec.rb b/spec/models/validations/sales/household_validations_spec.rb
index 10367390e..a872bc083 100644
--- a/spec/models/validations/sales/household_validations_spec.rb
+++ b/spec/models/validations/sales/household_validations_spec.rb
@@ -84,17 +84,14 @@ RSpec.describe Validations::Sales::HouseholdValidations do
         .to include(match I18n.t("validations.household.age.child_over_20"))
     end
 
-    it "adds errors for a person aged 16-19 who is a student but not a child of the buyer" do
+    it "adds does not add and error for a person aged 16-19 who is a student but not a child of the buyer" do
       record.age2 = 18
       record.ecstat2 = "7"
       record.relat2 = "P"
       household_validator.validate_household_number_of_other_members(record)
-      expect(record.errors["relat2"])
-        .to include(match I18n.t("validations.household.relat.student_16_19.must_be_child"))
-      expect(record.errors["age2"])
-        .to include(match I18n.t("validations.household.age.student_16_19.cannot_be_16_19.student_not_child"))
-      expect(record.errors["ecstat2"])
-        .to include(match I18n.t("validations.household.ecstat.student_16_19.cannot_be_student.16_19_not_child"))
+      expect(record.errors["relat2"]).to be_empty
+      expect(record.errors["ecstat2"]).to be_empty
+      expect(record.errors["age2"]).to be_empty
     end
 
     it "adds errors for a person aged 16-19 who is a child of the buyer but not a student" do
diff --git a/spec/models/validations/sales/soft_validations_spec.rb b/spec/models/validations/sales/soft_validations_spec.rb
index 5d475b450..dc8bbfedd 100644
--- a/spec/models/validations/sales/soft_validations_spec.rb
+++ b/spec/models/validations/sales/soft_validations_spec.rb
@@ -730,4 +730,72 @@ RSpec.describe Validations::Sales::SoftValidations do
       end
     end
   end
+
+  describe "#person_2_student_not_child?" do
+    it "returns false if age is not given" do
+      record.age2 = nil
+      record.relat2 = "P"
+      record.ecstat2 = 7
+
+      expect(record).not_to be_person_2_student_not_child
+    end
+
+    it "returns false if retaltionship is not given" do
+      record.age2 = 17
+      record.relat2 = nil
+      record.ecstat2 = 7
+
+      expect(record).not_to be_person_2_student_not_child
+    end
+
+    it "returns false if economic status is not given" do
+      record.age2 = 17
+      record.relat2 = "P"
+      record.ecstat2 = nil
+
+      expect(record).not_to be_person_2_student_not_child
+    end
+
+    it "returns true if it's a student aged 16-19 and not a child" do
+      record.age2 = 17
+      record.relat2 = "P"
+      record.ecstat2 = 7
+
+      expect(record).to be_person_2_student_not_child
+    end
+  end
+
+  describe "#person_3_student_not_child?" do
+    it "returns false if age is not given" do
+      record.age3 = nil
+      record.relat3 = "P"
+      record.ecstat3 = 7
+
+      expect(record).not_to be_person_3_student_not_child
+    end
+
+    it "returns false if retaltionship is not given" do
+      record.age3 = 17
+      record.relat3 = nil
+      record.ecstat3 = 7
+
+      expect(record).not_to be_person_3_student_not_child
+    end
+
+    it "returns false if economic status is not given" do
+      record.age3 = 17
+      record.relat3 = "P"
+      record.ecstat3 = nil
+
+      expect(record).not_to be_person_3_student_not_child
+    end
+
+    it "returns true if it's a student aged 16-19 and not a child" do
+      record.age3 = 17
+      record.relat3 = "P"
+      record.ecstat3 = 7
+
+      expect(record).to be_person_3_student_not_child
+    end
+  end
 end