diff --git a/.rubocop_rails.yml b/.rubocop_rails.yml
index e3067271ee..b0e45aa030 100644
--- a/.rubocop_rails.yml
+++ b/.rubocop_rails.yml
@@ -109,3 +109,7 @@ RSpec/MultipleMemoizedHelpers:
 
 RSpec/AnyInstance:
   Enabled: false
+
+RSpec/BeEq:
+  Exclude:
+    - spec/events/decidim/proposals/author_confirmation_proposal_event_spec.rb
\ No newline at end of file
diff --git a/app/commands/decidim/proposals/publish_proposal.rb b/app/commands/decidim/proposals/publish_proposal.rb
new file mode 100644
index 0000000000..a637eaed4f
--- /dev/null
+++ b/app/commands/decidim/proposals/publish_proposal.rb
@@ -0,0 +1,126 @@
+# frozen_string_literal: true
+
+module Decidim
+  module Proposals
+    # A command with all the business logic when a user publishes a draft proposal.
+    class PublishProposal < Decidim::Command
+      include Decidim::AnonymousProposals::AnonymousBehaviorCommandsConcern
+
+      # Public: Initializes the command.
+      #
+      # proposal     - The proposal to publish.
+      # current_user - The current user.
+      # override: decidim-module-anonymous_proposals/app/commands/decidim/anonymous_proposals/publish_proposal_command_overrides.rb
+      def initialize(proposal, current_user)
+        @proposal = proposal
+        @is_anonymous = allow_anonymous_proposals? && (current_user.blank? || proposal.authored_by?(anonymous_group))
+        set_current_user(current_user)
+      end
+
+      # Executes the command. Broadcasts these events:
+      #
+      # - :ok when everything is valid and the proposal is published.
+      # - :invalid if the proposal's author is not the current user.
+      #
+      # Returns nothing.
+      def call
+        return broadcast(:invalid) unless @proposal.authored_by?(@current_user)
+
+        transaction do
+          publish_proposal
+          increment_scores
+          send_notification
+          send_notification_to_participatory_space
+          send_publication_notification
+        end
+
+        broadcast(:ok, @proposal)
+      end
+
+      private
+
+      # This will be the PaperTrail version that is
+      # shown in the version control feature (1 of 1)
+      #
+      # For an attribute to appear in the new version it has to be reset
+      # and reassigned, as PaperTrail only keeps track of object CHANGES.
+      def publish_proposal
+        title = reset(:title)
+        body = reset(:body)
+
+        Decidim.traceability.perform_action!(
+          "publish",
+          @proposal,
+          @current_user,
+          visibility: "public-only"
+        ) do
+          @proposal.update title: title, body: body, published_at: Time.current
+        end
+      end
+
+      # Reset the attribute to an empty string and return the old value
+      def reset(attribute)
+        attribute_value = @proposal[attribute]
+        PaperTrail.request(enabled: false) do
+          # rubocop:disable Rails/SkipsModelValidations
+          @proposal.update_attribute attribute, ""
+          # rubocop:enable Rails/SkipsModelValidations
+        end
+        attribute_value
+      end
+
+      def send_notification
+        return if @proposal.coauthorships.empty?
+
+        Decidim::EventsManager.publish(
+          event: "decidim.events.proposals.proposal_published",
+          event_class: Decidim::Proposals::PublishProposalEvent,
+          resource: @proposal,
+          followers: coauthors_followers
+        )
+      end
+
+      def send_publication_notification
+        Decidim::EventsManager.publish(
+          event: "decidim.events.proposals.author_confirmation_proposal_event",
+          event_class: Decidim::Proposals::AuthorConfirmationProposalEvent,
+          resource: @proposal,
+          affected_users: [@proposal.creator_identity],
+          extra: { force_email: true },
+          force_send: true
+        )
+      end
+
+      def send_notification_to_participatory_space
+        Decidim::EventsManager.publish(
+          event: "decidim.events.proposals.proposal_published",
+          event_class: Decidim::Proposals::PublishProposalEvent,
+          resource: @proposal,
+          followers: @proposal.participatory_space.followers - coauthors_followers,
+          extra: {
+            participatory_space: true
+          }
+        )
+      end
+
+      def coauthors_followers
+        @coauthors_followers ||= @proposal.authors.flat_map(&:followers)
+      end
+
+      def increment_scores
+        @proposal.coauthorships.find_each do |coauthorship|
+          if coauthorship.user_group
+            Decidim::Gamification.increment_score(coauthorship.user_group, :proposals)
+          else
+            Decidim::Gamification.increment_score(coauthorship.author, :proposals)
+          end
+        end
+      end
+
+      # override: decidim-module-anonymous_proposals/app/commands/decidim/anonymous_proposals/publish_proposal_command_overrides.rb
+      def component
+        @component ||= @proposal.component
+      end
+    end
+  end
+end
diff --git a/app/events/decidim/proposals/author_confirmation_proposal_event.rb b/app/events/decidim/proposals/author_confirmation_proposal_event.rb
new file mode 100644
index 0000000000..22745650a4
--- /dev/null
+++ b/app/events/decidim/proposals/author_confirmation_proposal_event.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module Decidim
+  module Proposals
+    class AuthorConfirmationProposalEvent < Decidim::Events::SimpleEvent
+      def self.model_name
+        ActiveModel::Name.new(self, nil, I18n.t("decidim.events.proposals.author_confirmation_proposal_event.email_subject"))
+      end
+
+      def resource_title
+        translated_attribute(resource.title)
+      end
+    end
+  end
+end
diff --git a/config/i18n-tasks.yml b/config/i18n-tasks.yml
index be5b5b9147..fef7c18f22 100644
--- a/config/i18n-tasks.yml
+++ b/config/i18n-tasks.yml
@@ -164,5 +164,8 @@ ignore_unused:
   - decidim.newsletters.unsubscribe.error
   - decidim.newsletters.unsubscribe.token_error
   - decidim.half_signup.quick_auth.sms_verification.text_message
+  - decidim.events.proposals.author_confirmation_proposal_event.email_intro
+  - decidim.events.proposals.author_confirmation_proposal_event.email_outro
+  - decidim.events.proposals.author_confirmation_proposal_event.notification_title
 
 
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 477839a9f7..56be2f097d 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -77,6 +77,12 @@ en:
           email_outro: You have received this notification because you are following the initiative "%{resource_title}".
           email_subject: Initiative "%{resource_title}" has been answered
           notification_title: The initiative <a href="%{resource_path}">%{resource_title}</a> has been answered.
+      proposals:
+        author_confirmation_proposal_event:
+          email_intro: 'Your proposal " %{resource_title} " was successfully received and is now public. Thank you for participating ! You can view it here:'
+          email_outro: You received this notification because you are the author of the proposal. You can unfollow it by visiting the proposal page (" %{resource_title} ") and clicking on " Unfollow ".
+          email_subject: Your proposal has been published!
+          notification_title: Your proposal <a href="%{resource_path}">%{resource_title}</a> is now live.
       users:
         user_officialized:
           email_intro: Participant %{name} (%{nickname}) has been officialized.
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index a82163e17b..6e725c5912 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -79,6 +79,12 @@ fr:
           email_outro: Vous avez reçu cette notification parce que vous suivez la pétition "%{resource_title}".
           email_subject: La pétition "%{resource_title}" a reçu une réponse.
           notification_title: La pétition <a href="%{resource_path}">%{resource_title}</a> a reçu une réponse.
+      proposals:
+        author_confirmation_proposal_event:
+          email_intro: 'Votre proposition « %{resource_title} » a été reçue avec succès et est maintenant publique. Merci pour votre participation ! Vous pouvez la consulter ici :'
+          email_outro: Vous recevez cette notification car vous êtes l’auteur de la proposition. Vous pouvez vous désabonner en visitant la page de la proposition (« %{resource_title} ») et en cliquant sur « Ne plus suivre ».
+          email_subject: Votre proposition a été publiée !
+          notification_title: Votre proposition <a href="%{resource_path}">%{resource_title}</a> est maintenant en ligne.
       users:
         user_officialized:
           email_intro: Le participant %{name} (%{nickname}) a été officialisé.