diff --git a/app/models/accounting_period.rb b/app/models/accounting_period.rb
index ee0c20176..b50e106bc 100644
--- a/app/models/accounting_period.rb
+++ b/app/models/accounting_period.rb
@@ -36,7 +36,7 @@ class AccountingPeriod < ActiveRecord::Base
   end
 
   def archive_folder
-    dir = 'accounting'
+    dir = "accounting/#{id}"
 
     # create directory if it doesn't exists (accounting)
     FileUtils.mkdir_p dir
@@ -48,7 +48,7 @@ class AccountingPeriod < ActiveRecord::Base
   end
 
   def archive_json_file
-    "#{archive_folder}/#{start_at.iso8601}_#{end_at.iso8601}.json"
+    "#{start_at.iso8601}_#{end_at.iso8601}.json"
   end
 
   def check_footprint
diff --git a/app/models/notification_type.rb b/app/models/notification_type.rb
index 54503aa56..200cbf65e 100644
--- a/app/models/notification_type.rb
+++ b/app/models/notification_type.rb
@@ -43,6 +43,7 @@ class NotificationType
     notify_member_about_coupon
     notify_member_reservation_reminder
     notify_admin_free_disk_space
+    notify_admin_close_period_reminder
   ]
   # deprecated:
   # - notify_member_subscribed_plan_is_changed
diff --git a/app/views/api/notifications/_notify_admin_close_period_reminder.json.jbuilder b/app/views/api/notifications/_notify_admin_close_period_reminder.json.jbuilder
new file mode 100644
index 000000000..c64979228
--- /dev/null
+++ b/app/views/api/notifications/_notify_admin_close_period_reminder.json.jbuilder
@@ -0,0 +1,7 @@
+json.title notification.notification_type
+if notification.attached_object.class.name == AccountingPeriod.name
+  json.description t('warning_last_closed_period_over_1_year', LAST_END: notification.attached_object.end_at)
+else
+  json.description t('warning_no_closed_periods', FIRST_DATE: notification.attached_object.created_at.to_date)
+end
+json.url notification_url(notification, format: :json)
diff --git a/app/views/notifications_mailer/notify_admin_close_period_reminder.html.erb b/app/views/notifications_mailer/notify_admin_close_period_reminder.html.erb
new file mode 100644
index 000000000..1e8cb20e0
--- /dev/null
+++ b/app/views/notifications_mailer/notify_admin_close_period_reminder.html.erb
@@ -0,0 +1,8 @@
+<%= render 'notifications_mailer/shared/hello', recipient: @recipient %>
+
+<% if @attached_object.class.name == AccountingPeriod.name %>
+  <p><%= t('.body.warning_last_closed_period_over_1_year', LAST_END: @attached_object.end_at) %></p>
+<% else %>
+  <p><%= t('.body.warning_no_closed_periods', FIRST_DATE: @attached_object.created_at.to_date) %></p>
+<% end %>
+
diff --git a/app/workers/close_period_reminder_worker.rb b/app/workers/close_period_reminder_worker.rb
new file mode 100644
index 000000000..d1131e329
--- /dev/null
+++ b/app/workers/close_period_reminder_worker.rb
@@ -0,0 +1,12 @@
+class ClosePeriodReminderWorker
+  include Sidekiq::Worker
+
+  def perform
+    last_period = AccountingPeriod.order(closed_at: :desc).limit(1).last
+    return if Invoice.count == 0 || (last_period && last_period.end_at > (Time.current - 1.year))
+
+    NotificationCenter.call type: 'notify_admin_close_period_reminder',
+                            receiver: User.admins,
+                            attached_object: last_period || Invoice.order(:created_at).first
+  end
+end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index b6fdb2374..5b9e3390a 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -311,6 +311,9 @@ en:
         enjoy_a_discount_of_AMOUNT_with_code_CODE: "Enjoy a discount of %{AMOUNT} with code %{CODE}"
       notify_admin_free_disk_space:
         warning_disk_space_under_threshold: "Warning: the server's available disk space is now %{AVAILABLE} MiB"
+      notify_admin_close_period_reminder:
+        warning_last_closed_period_over_1_year: "Please remind to periodically close your accounting periods. Last closed period ended at %{LAST_END}"
+        warning_no_closed_periods: "Please remind to periodically close your accounting periods. You have to close periods from %{FIRST_DATE}"
 
   statistics:
     # statistics tools for admins
diff --git a/config/locales/es.yml b/config/locales/es.yml
index e1c9ae2b6..0e0dcbe36 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -311,6 +311,9 @@ es:
         enjoy_a_discount_of_AMOUNT_with_code_CODE: "Disfruta de un descuento de %{AMOUNT} con el código %{CODE}"
       notify_admin_free_disk_space:
         warning_disk_space_under_threshold: "Warning: the server's available disk space is now %{AVAILABLE} MiB"        # missing translation
+      notify_admin_close_period_reminder:
+        warning_last_closed_period_over_1_year: "Please remind to periodically close your accounting periods. Last closed period ended at %{LAST_END}"        # missing translation
+        warning_no_closed_periods: "Please remind to periodically close your accounting periods. You have to close periods from %{FIRST_DATE}"          # missing translation
 
   statistics:
     # statistics tools for admins
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 2fea6427b..497704060 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -311,6 +311,9 @@ fr:
         enjoy_a_discount_of_AMOUNT_with_code_CODE: "Bénéficiez d'une remise de %{AMOUNT} avec le code %{CODE}"
       notify_admin_free_disk_space:
         warning_disk_space_under_threshold: "Attention: l'espace disque disponible sur le serveur est désormais de %{AVAILABLE} MiO"
+      notify_admin_close_period_reminder:
+        warning_last_closed_period_over_1_year: "Pensez à clôturer régulièrement vos périodes comptables. Les comptes sont actuellement clôturés jusqu'au %{LAST_END}"
+        warning_no_closed_periods: "Pensez à clôturer régulièrement vos périodes comptables. Vous devez clôturer des périodes depuis le %{FIRST_DATE}"
 
   statistics:
     # outil de statistiques pour les administrateurs
diff --git a/config/locales/mails.en.yml b/config/locales/mails.en.yml
index 10c3d7fc3..580c74eab 100644
--- a/config/locales/mails.en.yml
+++ b/config/locales/mails.en.yml
@@ -280,5 +280,11 @@ en:
       subject: "Low disk space"
       body: "Warning: available disk space on the server hosting fab-manager is less than %{THRESHOLD} MiB. This can affect its operation and prevent saving some data. Currently, %{AVAILABLE} MiB of free disk space remains available on the mount point."
 
+    notify_admin_close_period_reminder:
+      subject: "Remind to close your accounting periods"
+      body:
+        warning_last_closed_period_over_1_year: "Please remind to periodically close your accounting periods. Last closed period ended at %{LAST_END}."
+        warning_no_closed_periods: "Please remind to periodically close your accounting periods. You have to close periods from %{FIRST_DATE}."
+
     shared:
       hello: "Hello %{user_name}"
diff --git a/config/locales/mails.es.yml b/config/locales/mails.es.yml
index 842fcf77b..5605007a1 100644
--- a/config/locales/mails.es.yml
+++ b/config/locales/mails.es.yml
@@ -279,5 +279,11 @@ es:
       subject: "Low disk space"
       body: "Warning: available disk space on the server hosting fab-manager is less than %{THRESHOLD} MiB. This can affect its operation and prevent saving some data. Currently, %{AVAILABLE} MiB of free disk space remains available on the mount point."
 
+    notify_admin_close_period_reminder:                                                            #translation_missing
+      subject: "Remind to close your accounting periods"
+      body:
+        warning_last_closed_period_over_1_year: "Please remind to periodically close your accounting periods. Last closed period ended at %{LAST_END}."
+        warning_no_closed_periods: "Please remind to periodically close your accounting periods. You have to close periods from %{FIRST_DATE}."
+
     shared:
       hello: "¡Hola %{user_name}!"
diff --git a/config/locales/mails.fr.yml b/config/locales/mails.fr.yml
index aca7d6b80..25a85599b 100644
--- a/config/locales/mails.fr.yml
+++ b/config/locales/mails.fr.yml
@@ -280,6 +280,11 @@ fr:
       subject: "Espace disque faible"
       body: "Attention : l'espace disque disponible sur le serveur hébergeant fab-manager est inférieur à %{THRESHOLD} MiO. Cela peut nuire à son bon fonctionnement et empêcher la sauvegarde de certaines données. Actuellement, il reste %{AVAILABLE} MiO d'espace libre sur le point de montage."
 
+    notify_admin_close_period_reminder:
+      subject: "Pensez à clôturer vos périodes comptables"
+      body:
+        warning_last_closed_period_over_1_year: "Pensez à clôturer régulièrement vos périodes comptables. Les comptes sont actuellement clôturés jusqu'au %{LAST_END}."
+        warning_no_closed_periods: "Pensez à clôturer régulièrement vos périodes comptables. Vous devez clôturer des périodes depuis le %{FIRST_DATE}."
 
     shared:
       hello: "Bonjour %{user_name}"
diff --git a/config/locales/mails.pt.yml b/config/locales/mails.pt.yml
index 06becefe3..26df865fa 100755
--- a/config/locales/mails.pt.yml
+++ b/config/locales/mails.pt.yml
@@ -280,5 +280,11 @@ pt:
       subject: "Low disk space"
       body: "Warning: available disk space on the server hosting fab-manager is less than %{THRESHOLD} MiB. This can affect its operation and prevent saving some data. Currently, %{AVAILABLE} MiB of free disk space remains available on the mount point."
 
+    notify_admin_close_period_reminder:                                                            #translation_missing
+      subject: "Remind to close your accounting periods"
+      body:
+        warning_last_closed_period_over_1_year: "Please remind to periodically close your accounting periods. Last closed period ended at %{LAST_END}."
+        warning_no_closed_periods: "Please remind to periodically close your accounting periods. You have to close periods from %{FIRST_DATE}."
+
     shared:
       hello: "Olá %{user_name}"
diff --git a/config/locales/pt.yml b/config/locales/pt.yml
index 7a1b0111d..cffb4270e 100755
--- a/config/locales/pt.yml
+++ b/config/locales/pt.yml
@@ -311,6 +311,9 @@ pt:
         enjoy_a_discount_of_AMOUNT_with_code_CODE: "Desfrute de um desconto de %{AMOUNT} com o código %{CODE}"
       notify_admin_free_disk_space:
         warning_disk_space_under_threshold: "Warning: the server's available disk space is now %{AVAILABLE} MiB"        # missing translation
+      notify_admin_close_period_reminder:
+        warning_last_closed_period_over_1_year: "Please remind to periodically close your accounting periods. Last closed period ended at %{LAST_END}"        # missing translation
+        warning_no_closed_periods: "Please remind to periodically close your accounting periods. You have to close periods from %{FIRST_DATE}"          # missing translation
 
   statistics:
     # statistics tools for admins
diff --git a/config/schedule.yml b/config/schedule.yml
index aa9e54101..f2a8e114e 100644
--- a/config/schedule.yml
+++ b/config/schedule.yml
@@ -24,6 +24,11 @@ reservation_reminder:
   class: "ReservationReminderWorker"
   queue: default
 
+close_period_reminder_worker:
+  cron: "0 12 * * 1" # every monday at 12pm
+  class: "ClosePeriodReminderWorker"
+  queue: default
+
 free_disk_space:
   cron: "0 5 * * 0" # every sunday at 5am
   class: "FreeDiskSpaceWorker"
diff --git a/test/integration/accounting_period_test.rb b/test/integration/accounting_period_test.rb
index 3adc82f65..1c0948673 100644
--- a/test/integration/accounting_period_test.rb
+++ b/test/integration/accounting_period_test.rb
@@ -35,7 +35,7 @@ class AccountingPeriodTest < ActionDispatch::IntegrationTest
     # Extract archive
     require 'tmpdir'
     require 'fileutils'
-    dest = "#{Dir.tmpdir}/#{accounting_period.archive_file[0..-5]}"
+    dest = "#{Dir.tmpdir}/accounting/#{accounting_period.id}"
     FileUtils.mkdir_p "#{dest}/accounting"
     Zip::File.open(accounting_period.archive_file) do |zip_file|
       # Handle entries one by one
@@ -63,8 +63,9 @@ class AccountingPeriodTest < ActionDispatch::IntegrationTest
     require 'version'
     assert_equal Version.current, archive_json['software']['version']
 
-    # we clean up the extraction dir before quitting
+    # we clean up the files before quitting
     FileUtils.rm_rf(dest)
+    FileUtils.rm_rf(accounting_period.archive_folder)
   end
 
 end