diff --git a/stack_orchestrator/deploy/webapp/deploy_webapp_from_registry.py b/stack_orchestrator/deploy/webapp/deploy_webapp_from_registry.py
index 810590c9..7fa2e255 100644
--- a/stack_orchestrator/deploy/webapp/deploy_webapp_from_registry.py
+++ b/stack_orchestrator/deploy/webapp/deploy_webapp_from_registry.py
@@ -33,6 +33,7 @@ from stack_orchestrator.deploy.webapp.util import (
     LaconicRegistryClient,
     TimedLogger,
     build_container_image,
+    confirm_auction,
     push_container_image,
     file_hash,
     deploy_to_k8s,
@@ -585,23 +586,20 @@ def command(  # noqa: C901
 
         requests_to_execute = []
         for r in requests_to_check_for_payment:
-            # Check if auction id is set
             if r.attributes.auction:
                 if auction_requests:
-                    # Check if the deployer payment address is an auction winner
-                    auction_id = r.attributes.auction
-                    auction = laconic.get_auction(auction_id)
-                    if not auction:
-                        main_logger.log(
-                            f"Skipping request {r.id}: unable to locate auction: {auction_id}"
-                        )
-                        dump_known_requests(state_file, [r], status="SKIP")
-                    elif payment_address in auction.winnerAddresses:
-                        main_logger.log(f"{r.id}: auction winnner address confirmed.")
+                    if confirm_auction(
+                        laconic,
+                        r,
+                        lrn,
+                        payment_address,
+                        main_logger
+                    ):
+                        main_logger.log(f"{r.id}: Auction confirmed.")
                         requests_to_execute.append(r)
                     else:
                         main_logger.log(
-                            f"Skipping request {r.id}: deployer payment address not found in auction winners."
+                            f"Skipping request {r.id}: unable to verify auction."
                         )
                         dump_known_requests(state_file, [r], status="SKIP")
                 else:
diff --git a/stack_orchestrator/deploy/webapp/request_webapp_deployment.py b/stack_orchestrator/deploy/webapp/request_webapp_deployment.py
index 88ab4f6f..4cd6e046 100644
--- a/stack_orchestrator/deploy/webapp/request_webapp_deployment.py
+++ b/stack_orchestrator/deploy/webapp/request_webapp_deployment.py
@@ -112,6 +112,10 @@ def command(  # noqa: C901
             if not auction:
                 fatal(f"Unable to locate auction: {auction_id}")
 
+            # Check auction owner
+            if auction.ownerAddress != laconic.whoami().address:
+                fatal(f"Auction owner mismatch")
+
             # Check auction kind
             if auction.kind != AUCTION_KIND_PROVIDER:
                 fatal(f"Auction kind needs to be ${AUCTION_KIND_PROVIDER}, got {auction.kind}")
diff --git a/stack_orchestrator/deploy/webapp/util.py b/stack_orchestrator/deploy/webapp/util.py
index 32013048..8a4f321a 100644
--- a/stack_orchestrator/deploy/webapp/util.py
+++ b/stack_orchestrator/deploy/webapp/util.py
@@ -752,12 +752,15 @@ def publish_deployment(
             },
         }
     }
+
     if app_deployment_request:
         new_deployment_record["record"]["request"] = app_deployment_request.id
-        if app_deployment_request.attributes.payment:
-            new_deployment_record["record"][
-                "payment"
-            ] = app_deployment_request.attributes.payment
+
+        # Set auction or payment id from request
+        if app_deployment_request.attributes.auction:
+            new_deployment_record["record"]["auction"] = app_deployment_request.attributes.auction
+        elif app_deployment_request.attributes.payment:
+            new_deployment_record["record"]["payment"] = app_deployment_request.attributes.payment
 
     if webapp_deployer_record:
         new_deployment_record["record"]["deployer"] = webapp_deployer_record.names[0]
@@ -873,3 +876,25 @@ def confirm_payment(laconic: LaconicRegistryClient, record, payment_address, min
         return False
 
     return True
+
+
+def confirm_auction(laconic: LaconicRegistryClient, record, deployer_lrn, payment_address, logger):
+    auction_id = record.attributes.auction
+    auction = laconic.get_auction(auction_id)
+
+    if not auction:
+        logger.log(f"{record.id}: unable to locate auction {auction_id}")
+        return False
+
+    # Check if the deployer payment address is in auction winners list
+    if payment_address not in auction.winnerAddresses:
+        logger.log(f"{record.id}: deployer payment address not in auction winners.")
+        return False
+
+    # Check if the auction was already used on a deployment
+    used = laconic.app_deployments({"deployer": deployer_lrn, "auction": auction_id}, all=True)
+    if len(used):
+        logger.log(f"{record.id}: auction {auction_id} already used on deployment {used}")
+        return False
+
+    return True