diff --git a/app/assets/stylesheets/conditions_component.scss b/app/assets/stylesheets/conditions_component.scss
new file mode 100644
index 000000000..4633531bd
--- /dev/null
+++ b/app/assets/stylesheets/conditions_component.scss
@@ -0,0 +1,86 @@
+@import "colors";
+@import "constants";
+
+.conditionnel {
+
+  .condition-error {
+    background: $background-red;
+    margin: ($default-spacer) (-$default-spacer);
+
+    ul {
+      padding: $default-spacer;
+    }
+  }
+
+  .condition-table {
+    table-layout: fixed;
+
+    .far-left {
+      width: 100px;
+    }
+
+    .target {
+      width: 350px;
+
+      select {
+        width: 100%;
+      }
+    }
+
+    .operator {
+      width: 250px;
+
+      select {
+        width: 100%;
+      }
+    }
+
+    .value {
+      width: 200px;
+    }
+
+    .delete-column {
+      width: 50px;
+
+      button {
+        background: none;
+        border: none;
+        cursor: pointer;
+      }
+    }
+  }
+
+  th {
+    text-align: left;
+    padding: $default-spacer;
+
+  }
+
+  td {
+    padding: $default-spacer;
+
+    input,
+    select {
+      margin-bottom: 0;
+    }
+
+    input[type=number] {
+      display: inline-block;
+      margin-bottom: 0;
+    }
+
+    input.alert,
+    select.alert {
+      border-color: $dark-red;
+    }
+  }
+
+  .add-row {
+    background: none;
+    border: none;
+    cursor: pointer;
+    font-size: 16px;
+    line-height: 25px;
+    margin: 0 $default-padding $default-padding;
+  }
+}
diff --git a/app/assets/stylesheets/procedure_champs_editor.scss b/app/assets/stylesheets/procedure_champs_editor.scss
index 93beefd4a..404e90890 100644
--- a/app/assets/stylesheets/procedure_champs_editor.scss
+++ b/app/assets/stylesheets/procedure_champs_editor.scss
@@ -93,7 +93,7 @@
 
     .flex {
       &.section {
-        padding: 10px 10px 0 10px;
+        padding: $default-spacer $default-spacer 0;
         margin-bottom: 8px;
       }
 
diff --git a/app/components/types_de_champ_editor/conditions_component.rb b/app/components/types_de_champ_editor/conditions_component.rb
new file mode 100644
index 000000000..3a68ee59b
--- /dev/null
+++ b/app/components/types_de_champ_editor/conditions_component.rb
@@ -0,0 +1,218 @@
+class TypesDeChampEditor::ConditionsComponent < ApplicationComponent
+  include Logic
+
+  def initialize(tdc:, upper_tdcs:, procedure_id:)
+    @tdc, @condition, @upper_tdcs = tdc, tdc.condition, upper_tdcs
+    @procedure_id = procedure_id
+  end
+
+  private
+
+  def rows
+    condition_per_row.map { |c| Logic.split_condition(c) }
+  end
+
+  def condition_per_row
+    if [And, Or].include?(@condition.class)
+      @condition.operands
+    else
+      [@condition].compact
+    end
+  end
+
+  def logic_conditionnel_button
+    if @condition.nil?
+      submit_tag(t('.enable_conditionnel'), formaction: add_row_admin_procedure_condition_path(@procedure_id, @tdc.id))
+    else
+      submit_tag(
+        t('.disable_conditionnel'),
+        formmethod: 'delete',
+        formnovalidate: true,
+        data: { confirm: t('.disable_conditionnel_alert') }
+      )
+    end
+  end
+
+  def far_left_tag(row_number)
+    if row_number == 0
+      t('.display_if')
+    elsif row_number == 1
+      select_tag(
+        "#{input_prefix}[top_operator_name]",
+        options_for_select(options_for_far_left_tag, @condition.class.name)
+      )
+    end
+  end
+
+  def options_for_far_left_tag
+    [And, Or]
+      .map(&:name)
+      .map { |name| [t(name, scope: 'logic.operators'), name] }
+  end
+
+  def left_operand_tag(targeted_champ, row_index)
+    # current_target can be invalid if
+    # - its type has changed : number -> carto
+    # - it has been removed
+    # - it has been put lower in the form
+    current_target_valid = targets_for_select.map(&:second).include?(targeted_champ.to_json)
+
+    selected_target = current_target_valid ? targeted_champ.to_json : empty.to_json
+
+    select_tag(
+      input_name_for('targeted_champ'),
+      options_for_select(targets_for_select, selected_target),
+      onchange: "this.form.action = this.form.action + '/change_targeted_champ?row_index=#{row_index}'",
+      id: input_id_for('targeted_champ', row_index),
+      class: { alert: !current_target_valid }
+    )
+  end
+
+  def targets_for_select
+    empty_target_for_select + available_targets_for_select
+  end
+
+  def empty_target_for_select
+    [[t('.select'), empty.to_json]]
+  end
+
+  def available_targets_for_select
+    @upper_tdcs
+      .filter { |tdc| ChampValue::MANAGED_TYPE_DE_CHAMP.values.include?(tdc.type_champ) }
+      .map { |tdc| [tdc.libelle, champ_value(tdc.stable_id).to_json] }
+  end
+
+  def operator_tag(operator_name, targeted_champ, row_index)
+    operators_for_select = compatibles_operators_for_select(targeted_champ)
+
+    current_operator_invalid = !operators_for_select.map(&:second).include?(operator_name)
+
+    if current_operator_invalid
+      operators_for_select = [[t('.select'), EmptyOperator.name]] + operators_for_select
+    end
+
+    select_tag(
+      input_name_for('operator_name'),
+      options_for_select(operators_for_select, selected: operator_name),
+      id: input_id_for('operator_name', row_index),
+      class: { alert: current_operator_invalid }
+    )
+  end
+
+  def compatibles_operators_for_select(left)
+    case left.type
+    when ChampValue::CHAMP_VALUE_TYPE.fetch(:boolean)
+      [
+        [t('is', scope: 'logic'), Eq.name]
+      ]
+    when ChampValue::CHAMP_VALUE_TYPE.fetch(:empty)
+      [
+        [t('is', scope: 'logic'), EmptyOperator.name]
+      ]
+    when ChampValue::CHAMP_VALUE_TYPE.fetch(:enum)
+      [
+        [t('is', scope: 'logic'), Eq.name]
+      ]
+    when ChampValue::CHAMP_VALUE_TYPE.fetch(:number)
+      [Eq, LessThan, GreaterThan, LessThanEq, GreaterThanEq]
+        .map(&:name)
+        .map { |name| [t(name, scope: 'logic.operators'), name] }
+    else
+      []
+    end
+  end
+
+  def right_operand_tag(left, right, row_index)
+    right_invalid = !current_right_valid?(left, right)
+
+    case left.type
+    when :boolean
+      booleans_for_select = [[t('utils.yes'), constant(true).to_json], [t('utils.no'), constant(false).to_json]]
+
+      if right_invalid
+        booleans_for_select = empty_target_for_select + booleans_for_select
+      end
+
+      select_tag(
+        input_name_for('value'),
+        options_for_select(booleans_for_select, right.to_json),
+        id: input_id_for('value', row_index),
+        class: { alert: right_invalid }
+      )
+    when :empty
+      select_tag(
+        input_name_for('value'),
+        options_for_select(empty_target_for_select),
+        id: input_id_for('value', row_index)
+      )
+    when :enum
+      enums_for_select = left.options
+
+      if right_invalid
+        enums_for_select = empty_target_for_select + enums_for_select
+      end
+
+      select_tag(
+        input_name_for('value'),
+        options_for_select(enums_for_select, right.value),
+        id: input_id_for('value', row_index),
+        class: { alert: right_invalid }
+      )
+    when :number
+      number_field_tag(
+        input_name_for('value'),
+        right.value,
+        required: true,
+        id: input_id_for('value', row_index),
+        class: { alert: right_invalid }
+      )
+    else
+      number_field_tag(input_name_for('value'), '', id: input_id_for('value', row_index))
+    end
+  end
+
+  def current_right_valid?(left, right)
+    case [left.type, right.type]
+    in [:boolean, :boolean] | [:number, :number] | [:empty, :empty]
+      true
+    in [:enum, :string]
+      left.options.include?(right.value)
+    else
+      false
+    end
+  end
+
+  def add_condition_tag
+    tag.button(
+      tag.span('', class: 'icon add') + tag.span(t('.add_condition')),
+      formaction: add_row_admin_procedure_condition_path(@procedure_id, @tdc.id),
+      formnovalidate: true,
+      class: 'add-row'
+    )
+  end
+
+  def delete_condition_tag(row_index)
+    tag.button(
+      tag.span('', class: 'icon delete') + tag.span(t('.remove_a_row'), class: 'sr-only'),
+      formaction: delete_row_admin_procedure_condition_path(@procedure_id, @tdc.id, row_index: row_index),
+      formmethod: 'delete',
+      formnovalidate: true
+    )
+  end
+
+  def render?
+    @condition.present? || available_targets_for_select.any?
+  end
+
+  def input_name_for(name)
+    "#{input_prefix}[rows][][#{name}]"
+  end
+
+  def input_id_for(name, row_index)
+    "#{@tdc.id}-#{name}-#{row_index}"
+  end
+
+  def input_prefix
+    'type_de_champ[condition_form]'
+  end
+end
diff --git a/app/components/types_de_champ_editor/conditions_component/conditions_component.fr.yml b/app/components/types_de_champ_editor/conditions_component/conditions_component.fr.yml
new file mode 100644
index 000000000..1593ff1f9
--- /dev/null
+++ b/app/components/types_de_champ_editor/conditions_component/conditions_component.fr.yml
@@ -0,0 +1,9 @@
+---
+fr:
+  display_if: Afficher si
+  enable_conditionnel: cliquer pour activer
+  disable_conditionnel: cliquer pour désactiver
+  disable_conditionnel_alert: "La logique conditionnelle appliquée à ce champ sera désactivé.\nVoulez-vous continuer ?"
+  select: Sélectionner
+  add_condition: Ajouter une condition
+  remove_a_row: Supprimer la ligne
diff --git a/app/components/types_de_champ_editor/conditions_component/conditions_component.html.haml b/app/components/types_de_champ_editor/conditions_component/conditions_component.html.haml
new file mode 100644
index 000000000..2cccb45b5
--- /dev/null
+++ b/app/components/types_de_champ_editor/conditions_component/conditions_component.html.haml
@@ -0,0 +1,28 @@
+.flex.justify-start.section{ id: dom_id(@tdc, :conditions) }
+  = form_with url: admin_procedure_condition_path(@procedure_id, @tdc), method: :patch, class: 'form width-100' do |f|
+    .conditionnel.mt-2.width-100
+      .flex
+        %p.mr-2 Logique conditionnelle
+        = logic_conditionnel_button
+
+      = render TypesDeChampEditor::ConditionsErrorsComponent.new(conditions: condition_per_row, upper_tdcs: @upper_tdcs)
+
+      - if @condition.present?
+        %table.condition-table.mt-2.width-100
+          %thead
+            %tr
+              %th.far-left
+              %th.target Champ Cible
+              %th.operator Opérateur
+              %th.value Valeur
+              %th.delete-column
+          %tbody
+            - rows.each.with_index do |(targeted_champ, operator_name, value), row_index|
+              %tr
+                %td.far-left= far_left_tag(row_index)
+                %td.target= left_operand_tag(targeted_champ, row_index)
+                %td.operator= operator_tag(operator_name, targeted_champ, row_index)
+                %td.value= right_operand_tag(targeted_champ, value, row_index)
+                %td.delete-column= delete_condition_tag(row_index)
+
+        .flex.justify-end.mt-2= add_condition_tag
diff --git a/app/components/types_de_champ_editor/conditions_errors_component.rb b/app/components/types_de_champ_editor/conditions_errors_component.rb
new file mode 100644
index 000000000..fd7263274
--- /dev/null
+++ b/app/components/types_de_champ_editor/conditions_errors_component.rb
@@ -0,0 +1,40 @@
+class TypesDeChampEditor::ConditionsErrorsComponent < ApplicationComponent
+  def initialize(conditions:, upper_tdcs:)
+    @conditions, @upper_tdcs = conditions, upper_tdcs
+  end
+
+  private
+
+  def errors
+    @conditions
+      .filter { |condition| condition.errors(@upper_tdcs.map(&:stable_id)).present? }
+      .map { |condition| row_error(Logic.split_condition(condition)) }
+      .uniq
+      .map { |message| tag.li(message) }
+      .then { |lis| tag.ul(lis.reduce(&:+)) }
+  end
+
+  def row_error((left, operator_name, right))
+    targeted_champ = @upper_tdcs.find { |tdc| tdc.stable_id == left.stable_id }
+
+    if targeted_champ.nil?
+      t('not_available', scope: '.errors')
+    elsif left.type == :unmanaged
+      t('unmanaged', scope: '.errors',
+        libelle: targeted_champ.libelle,
+        type_champ: t(targeted_champ.type_champ, scope: '.type'))
+    else
+      t('incompatible', scope: '.errors',
+        libelle: targeted_champ.libelle,
+        type_champ: t(targeted_champ.type_champ, scope: '.type'),
+        operator: t(operator_name, scope: 'logic.operators').downcase,
+        right: right.to_s.downcase)
+    end
+  end
+
+  def render?
+    @conditions
+      .filter { |condition| condition.errors(@upper_tdcs.map(&:stable_id)).present? }
+      .present?
+  end
+end
diff --git a/app/components/types_de_champ_editor/conditions_errors_component/conditions_errors_component.fr.yml b/app/components/types_de_champ_editor/conditions_errors_component/conditions_errors_component.fr.yml
new file mode 100644
index 000000000..aecf81d2e
--- /dev/null
+++ b/app/components/types_de_champ_editor/conditions_errors_component/conditions_errors_component.fr.yml
@@ -0,0 +1,12 @@
+---
+fr:
+  type:
+    number: un nombre
+    string: un texte
+    boolean: soit oui, soit non
+    yes_no: soit oui, soit non
+    address: une adresse
+  errors:
+    not_available: "Un champ cible n'est plus disponible. Il est soit supprimé, soit déplacé en dessous de ce champ."
+    unmanaged: "Le champ « %{libelle} » est %{type_champ} et ne peut pas être utilisé comme champ cible."
+    incompatible: "Le champ « %{libelle} » est %{type_champ}. Il ne peut pas être %{operator} %{right}."
diff --git a/app/components/types_de_champ_editor/conditions_errors_component/conditions_errors_component.html.haml b/app/components/types_de_champ_editor/conditions_errors_component/conditions_errors_component.html.haml
new file mode 100644
index 000000000..b0e3dbce7
--- /dev/null
+++ b/app/components/types_de_champ_editor/conditions_errors_component/conditions_errors_component.html.haml
@@ -0,0 +1,2 @@
+.condition-error
+  = errors
diff --git a/app/models/logic.rb b/app/models/logic.rb
index 992f0f800..a69c979f3 100644
--- a/app/models/logic.rb
+++ b/app/models/logic.rb
@@ -68,6 +68,10 @@ module Logic
     end
   end
 
+  def self.split_condition(condition)
+    [condition.left, condition.class.name, condition.right]
+  end
+
   def ds_eq(left, right) = Logic::Eq.new(left, right)
 
   def greater_than(left, right) = Logic::GreaterThan.new(left, right)
diff --git a/app/views/layouts/component_preview.html.haml b/app/views/layouts/component_preview.html.haml
index cc9cebe04..ada6600eb 100644
--- a/app/views/layouts/component_preview.html.haml
+++ b/app/views/layouts/component_preview.html.haml
@@ -13,7 +13,7 @@
     = favicon_link_tag(image_url("#{FAVICON_32PX_SRC}"), type: "image/png", sizes: "32x32")
     = favicon_link_tag(image_url("#{FAVICON_96PX_SRC}"), type: "image/png", sizes: "96x96")
 
-    = javascript_packs_with_chunks_tag 'application', defer: true
+    = vite_javascript_tag 'application'
 
     = preload_link_tag(asset_url("Muli-Regular.woff2"))
     = preload_link_tag(asset_url("Muli-Bold.woff2"))
diff --git a/config/locales/models/logic/fr.yml b/config/locales/models/logic/fr.yml
index bb40dad9c..40eeb5f9f 100644
--- a/config/locales/models/logic/fr.yml
+++ b/config/locales/models/logic/fr.yml
@@ -1,3 +1,12 @@
 fr:
   logic:
     empty: un membre vide
+    is: Est
+    operators:
+      'Logic::LessThan': Inférieur à
+      'Logic::LessThanEq': Inférieur ou égal à
+      'Logic::Eq': Égal à
+      'Logic::GreaterThan': Supérieur à
+      'Logic::GreaterThanEq': Supérieur ou égal à
+      'Logic::And': Et
+      'Logic::Or': Ou
diff --git a/spec/components/previews/types_de_champ_editor/conditions_component_preview.rb b/spec/components/previews/types_de_champ_editor/conditions_component_preview.rb
new file mode 100644
index 000000000..3edab6544
--- /dev/null
+++ b/spec/components/previews/types_de_champ_editor/conditions_component_preview.rb
@@ -0,0 +1,50 @@
+class TypesDeChampEditor::ConditionsComponentPreview < ViewComponent::Preview
+  include Logic
+
+  def with_empty_condition
+    tdc = TypeDeChamp.create(type_champ: :text, condition: empty_operator(empty, empty), libelle: 't')
+    upper_tdcs = []
+
+    render TypesDeChampEditor::ConditionsComponent.new(
+      tdc: tdc, upper_tdcs: upper_tdcs, procedure_id: '1'
+    )
+  end
+
+  def with_conditions
+    surface = TypeDeChamp.create(type_champ: :integer_number, libelle: 'surface')
+    appartement = TypeDeChamp.create(type_champ: :yes_no, libelle: 'appartement')
+    type_appartement = TypeDeChamp.create(type_champ: :drop_down_list, libelle: 'type', drop_down_list_value: "T1\r\nT2\r\nT3")
+    upper_tdcs = [surface, appartement, type_appartement]
+
+    condition = ds_and([
+      greater_than_eq(champ_value(surface.stable_id), constant(50)),
+      ds_eq(champ_value(appartement.stable_id), constant(true)),
+      ds_eq(champ_value(type_appartement.stable_id), constant('T2'))
+    ])
+    tdc = TypeDeChamp.create(type_champ: :integer_number, condition: condition, libelle: 'nb de piece')
+
+    render TypesDeChampEditor::ConditionsComponent.new(
+      tdc: tdc, upper_tdcs: upper_tdcs, procedure_id: '1'
+    )
+  end
+
+  def with_errors
+    surface = TypeDeChamp.create(type_champ: :integer_number, libelle: 'surface')
+    address = TypeDeChamp.create(type_champ: :address, libelle: 'adresse')
+    yes_non = TypeDeChamp.create(type_champ: :yes_no, libelle: 'oui/non')
+
+    upper_tdcs = [address, yes_non]
+
+    condition = ds_and([
+      ds_eq(champ_value(address.stable_id), empty),
+      greater_than_eq(champ_value(surface.stable_id), constant(50)),
+      ds_eq(champ_value(yes_non.stable_id), constant(5))
+    ])
+
+    tdc = TypeDeChamp.create(type_champ: :integer_number, condition: condition, libelle: 'nb de piece')
+
+    render TypesDeChampEditor::ConditionsComponent.new(
+      tdc: tdc, upper_tdcs: upper_tdcs, procedure_id: '1'
+    )
+  end
+end
diff --git a/spec/components/types_de_champ_editor/conditions_component_spec.rb b/spec/components/types_de_champ_editor/conditions_component_spec.rb
new file mode 100644
index 000000000..e4831f87b
--- /dev/null
+++ b/spec/components/types_de_champ_editor/conditions_component_spec.rb
@@ -0,0 +1,162 @@
+describe TypesDeChampEditor::ConditionsComponent, type: :component do
+  include Logic
+
+  describe 'render' do
+    let(:tdc) { create(:type_de_champ, condition: condition) }
+    let(:condition) { nil }
+    let(:upper_tdcs) { [] }
+
+    before { render_inline(described_class.new(tdc: tdc, upper_tdcs: upper_tdcs, procedure_id: 123)) }
+
+    context 'when there are no upper tdc' do
+      it { expect(page).not_to have_text('Logique conditionnelle') }
+    end
+
+    context 'when there are upper tdcs but not managed' do
+      let(:upper_tdcs) { [build(:type_de_champ_address)] }
+
+      it { expect(page).not_to have_text('Logique conditionnelle') }
+    end
+
+    context 'when there are upper tdc but no condition to display' do
+      let(:upper_tdcs) { [build(:type_de_champ_integer_number)] }
+
+      it do
+        expect(page).to have_text('Logique conditionnelle')
+        expect(page).to have_button('cliquer pour activer')
+        expect(page).not_to have_selector('table')
+      end
+    end
+
+    context 'when there are upper tdc and a condition' do
+      let(:upper_tdc) { create(:type_de_champ_number) }
+      let(:upper_tdcs) { [upper_tdc] }
+
+      context 'and one condition' do
+        let(:condition) { ds_eq(champ_value(upper_tdc.stable_id), constant(1)) }
+
+        it do
+          expect(page).to have_button('cliquer pour désactiver')
+          expect(page).to have_selector('table')
+          expect(page).to have_selector('tbody > tr', count: 1)
+        end
+      end
+
+      context 'focus one row' do
+        context 'empty' do
+          let(:condition) { empty_operator(empty, empty) }
+
+          it do
+            expect(page).to have_select('type_de_champ[condition_form][rows][][operator_name]', options: ['Est'])
+            expect(page).to have_select('type_de_champ[condition_form][rows][][value]', options: ['Sélectionner'])
+          end
+        end
+
+        context 'number' do
+          let(:condition) { empty_operator(constant(1), constant(0)) }
+
+          it do
+            expect(page).to have_select('type_de_champ[condition_form][rows][][operator_name]', with_options: ['Égal à'])
+            expect(page).to have_selector('input[name="type_de_champ[condition_form][rows][][value]"][value=0]')
+          end
+        end
+
+        context 'boolean' do
+          let(:condition) { empty_operator(constant(true), constant(true)) }
+
+          it do
+            expect(page).to have_select('type_de_champ[condition_form][rows][][operator_name]', with_options: ['Est'])
+            expect(page).to have_select('type_de_champ[condition_form][rows][][value]', options: ['Oui', 'Non'])
+          end
+        end
+
+        context 'enum' do
+          let(:drop_down) { create(:type_de_champ_drop_down_list) }
+          let(:upper_tdcs) { [drop_down] }
+          let(:condition) { empty_operator(champ_value(drop_down.stable_id), constant(true)) }
+
+          it do
+            expect(page).to have_select('type_de_champ[condition_form][rows][][operator_name]', with_options: ['Est'])
+            expect(page).to have_select('type_de_champ[condition_form][rows][][value]', options: ['Sélectionner', 'val1', 'val2', 'val3'])
+          end
+        end
+      end
+
+      context 'and 2 conditions' do
+        let(:condition) { ds_and([empty_operator(empty, empty), empty_operator(empty, empty)]) }
+
+        it do
+          expect(page).to have_selector('tbody > tr', count: 2)
+          expect(page).to have_select("type_de_champ_condition_form_top_operator_name", selected: "Et", options: ['Et', 'Ou'])
+        end
+      end
+
+      context 'when there are 3 conditions' do
+        let(:upper_tdc) { create(:type_de_champ_number) }
+        let(:upper_tdcs) { [upper_tdc] }
+
+        let(:condition) do
+          ds_or([
+            ds_eq(champ_value(upper_tdc.stable_id), constant(1)),
+            ds_eq(champ_value(upper_tdc.stable_id), empty),
+            greater_than(champ_value(upper_tdc.stable_id), constant(3))
+          ])
+        end
+
+        it do
+          expect(page).to have_selector('tbody > tr', count: 3)
+          expect(page).to have_select("type_de_champ_condition_form_top_operator_name", selected: "Ou", options: ['Et', 'Ou'])
+        end
+      end
+    end
+  end
+
+  describe '.rows' do
+    let(:tdc) { build(:type_de_champ, condition: condition) }
+    let(:condition) { nil }
+
+    subject { described_class.new(tdc: tdc, upper_tdcs: [], procedure_id: 123).send(:rows) }
+
+    context 'when there is one condition' do
+      let(:condition) { ds_eq(empty, constant(1)) }
+
+      it { is_expected.to eq([[empty, Logic::Eq.name, constant(1)]]) }
+    end
+
+    context 'when there are 2 conditions' do
+      let(:condition) { ds_and([ds_eq(empty, constant(1)), ds_eq(empty, empty)]) }
+
+      let(:expected) do
+        [
+          [empty, Logic::Eq.name, constant(1)],
+          [empty, Logic::Eq.name, empty]
+        ]
+      end
+
+      it { is_expected.to eq(expected) }
+    end
+
+    context 'when there are 3 conditions' do
+      let(:upper_tdc) { create(:type_de_champ_number) }
+      let(:upper_tdcs) { [upper_tdc] }
+
+      let(:condition) do
+        ds_or([
+          ds_eq(champ_value(upper_tdc.stable_id), constant(1)),
+          ds_eq(champ_value(upper_tdc.stable_id), empty),
+          greater_than(champ_value(upper_tdc.stable_id), constant(3))
+        ])
+      end
+
+      let(:expected) do
+        [
+          [champ_value(upper_tdc.stable_id), Logic::Eq.name, constant(1)],
+          [champ_value(upper_tdc.stable_id), Logic::Eq.name, empty],
+          [champ_value(upper_tdc.stable_id), Logic::GreaterThan.name, constant(3)]
+        ]
+      end
+
+      it { is_expected.to eq(expected) }
+    end
+  end
+end
diff --git a/spec/components/types_de_champ_editor/conditions_errors_component_spec.rb b/spec/components/types_de_champ_editor/conditions_errors_component_spec.rb
new file mode 100644
index 000000000..74ea2d8f5
--- /dev/null
+++ b/spec/components/types_de_champ_editor/conditions_errors_component_spec.rb
@@ -0,0 +1,43 @@
+describe TypesDeChampEditor::ConditionsErrorsComponent, type: :component do
+  include Logic
+
+  describe 'render' do
+    let(:conditions) { [] }
+    let(:upper_tdcs) { [] }
+
+    before { render_inline(described_class.new(conditions: conditions, upper_tdcs: upper_tdcs)) }
+
+    context 'when there are no condition' do
+      it { expect(page).to have_no_css('.condition-error') }
+    end
+
+    context 'when the targeted_champ is not available' do
+      let(:tdc) { create(:type_de_champ_integer_number) }
+      let(:conditions) { [ds_eq(champ_value(tdc.stable_id), constant(1))] }
+
+      it do
+        expect(page).to have_css('.condition-error')
+        expect(page).to have_content("Un champ cible n'est plus disponible")
+      end
+    end
+
+    context 'when the targeted_champ is unmanaged' do
+      let(:tdc) { create(:type_de_champ_address) }
+      let(:upper_tdcs) { [tdc] }
+      let(:conditions) { [ds_eq(champ_value(tdc.stable_id), constant(1))] }
+
+      it do
+        expect(page).to have_css('.condition-error')
+        expect(page).to have_content("ne peut pas être utilisé")
+      end
+    end
+
+    context 'when the types mismatch' do
+      let(:tdc) { create(:type_de_champ_integer_number) }
+      let(:upper_tdcs) { [tdc] }
+      let(:conditions) { [ds_eq(champ_value(tdc.stable_id), constant('a'))] }
+
+      it { expect(page).to have_content("Il ne peut pas être") }
+    end
+  end
+end