diff --git a/app/models/assign_to.rb b/app/models/assign_to.rb
index 1e5621fe3..43da53ea3 100644
--- a/app/models/assign_to.rb
+++ b/app/models/assign_to.rb
@@ -3,6 +3,8 @@ class AssignTo < ApplicationRecord
   belongs_to :gestionnaire
   has_one :procedure_presentation, dependent: :destroy
 
+  scope :with_email_notifications, -> { where(email_notifications_enabled: true) }
+
   def procedure_presentation_or_default_and_errors
     errors = reset_procedure_presentation_if_invalid
     [procedure_presentation || build_procedure_presentation, errors]
diff --git a/app/models/gestionnaire.rb b/app/models/gestionnaire.rb
index 82516d4de..8d00dda66 100644
--- a/app/models/gestionnaire.rb
+++ b/app/models/gestionnaire.rb
@@ -11,6 +11,10 @@ class Gestionnaire < ApplicationRecord
 
   has_many :assign_to, dependent: :destroy
   has_many :procedures, through: :assign_to
+
+  has_many :assign_to_with_email_notifications, -> { with_email_notifications }, class_name: 'AssignTo'
+  has_many :procedures_with_email_notifications, through: :assign_to_with_email_notifications, source: :procedure
+
   has_many :dossiers, -> { state_not_brouillon }, through: :procedures
   has_many :follows
   has_many :followed_dossiers, through: :follows, source: :dossier
diff --git a/db/migrate/20190318154812_add_email_notifications_column_to_assign_to.rb b/db/migrate/20190318154812_add_email_notifications_column_to_assign_to.rb
new file mode 100644
index 000000000..9443922fc
--- /dev/null
+++ b/db/migrate/20190318154812_add_email_notifications_column_to_assign_to.rb
@@ -0,0 +1,5 @@
+class AddEmailNotificationsColumnToAssignTo < ActiveRecord::Migration[5.2]
+  def change
+    add_column :assign_tos, :email_notifications_enabled, :boolean, default: false, null: false
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 9cb1ebfe5..6b3b6e255 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2019_03_11_140926) do
+ActiveRecord::Schema.define(version: 2019_03_18_154812) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -99,6 +99,7 @@ ActiveRecord::Schema.define(version: 2019_03_11_140926) do
     t.integer "procedure_id"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.boolean "email_notifications_enabled", default: false, null: false
     t.index ["gestionnaire_id", "procedure_id"], name: "index_assign_tos_on_gestionnaire_id_and_procedure_id", unique: true
     t.index ["gestionnaire_id"], name: "index_assign_tos_on_gestionnaire_id"
     t.index ["procedure_id"], name: "index_assign_tos_on_procedure_id"