diff --git a/openapi.yaml b/openapi.yaml
index 1a02883a..7b935287 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -5874,6 +5874,32 @@ paths:
             '200':
               description: Success
 
+  /order-bookings/booking-confirmation/resend:
+    post:
+      tags:
+        - Bookings
+      summary: Resend order booking confirmation
+      description: Resends the customer booking confirmation email for an order booking. Requires `resend_booking_confirmations` and access to the booking's department.
+      operationId: resendOrderBookingConfirmation
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              required: [id]
+              properties:
+                id: {type: integer}
+      responses:
+        '200':
+          description: Booking confirmation resent successfully
+          content:
+            application/json:
+              schema: {}
+        '400': { $ref: '#/components/responses/BadRequest' }
+        '401': { $ref: '#/components/responses/Unauthorized' }
+        '403': { $ref: '#/components/responses/Forbidden' }
+
   /order-bookings/complete:
     post:
       tags:
diff --git a/scripts/php-ci-test.sh b/scripts/php-ci-test.sh
index 63158f36..18ba43d7 100644
--- a/scripts/php-ci-test.sh
+++ b/scripts/php-ci-test.sh
@@ -51,6 +51,23 @@ collect_logs() {
   docker compose $compose_files cp php1:/var/log/php "$log_dir/php-logs" >/dev/null 2>&1 || true
 }
 
+retry_command() {
+  max_attempts="$1"
+  shift
+  attempt=1
+  while :; do
+    "$@" && return 0
+    status="$?"
+    if [ "$attempt" -ge "$max_attempts" ]; then
+      return "$status"
+    fi
+    sleep_seconds=$((attempt * 5))
+    echo "Command failed with status $status; retrying in ${sleep_seconds}s (attempt $((attempt + 1))/$max_attempts): $*" >&2
+    sleep "$sleep_seconds"
+    attempt=$((attempt + 1))
+  done
+}
+
 cleanup() {
   status="$?"
   collect_logs "$status"
@@ -70,7 +87,7 @@ cleanup() {
 }
 trap cleanup EXIT INT TERM
 
-docker compose $compose_files up -d redis mysql-debug php1
+retry_command "${PHP_CI_DOCKER_RETRIES:-3}" docker compose $compose_files up -d redis mysql-debug php1
 
 docker compose $compose_files exec -T php1 sh -lc '
   set -eu
diff --git a/services/nginx/app/openapi.yaml b/services/nginx/app/openapi.yaml
index 2b9d91d3..1a675cbe 100644
--- a/services/nginx/app/openapi.yaml
+++ b/services/nginx/app/openapi.yaml
@@ -6239,6 +6239,32 @@ paths:
             '200':
               description: Success
 
+  /order-bookings/booking-confirmation/resend:
+    post:
+      tags:
+        - Bookings
+      summary: Resend order booking confirmation
+      description: Resends the customer booking confirmation email for an order booking. Requires `resend_booking_confirmations` and access to the booking's department.
+      operationId: resendOrderBookingConfirmation
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              required: [id]
+              properties:
+                id: {type: integer}
+      responses:
+        '200':
+          description: Booking confirmation resent successfully
+          content:
+            application/json:
+              schema: {}
+        '400': { $ref: '#/components/responses/BadRequest' }
+        '401': { $ref: '#/components/responses/Unauthorized' }
+        '403': { $ref: '#/components/responses/Forbidden' }
+
   /order-bookings/complete:
     post:
       tags:
diff --git a/services/nginx/app/routes/moduleSelfServeRoute.php b/services/nginx/app/routes/moduleSelfServeRoute.php
index 3925a266..ec7a51e6 100644
--- a/services/nginx/app/routes/moduleSelfServeRoute.php
+++ b/services/nginx/app/routes/moduleSelfServeRoute.php
@@ -475,18 +475,34 @@ class moduleSelfServeRoute
             self::requireMinValue($lane_id, 1);
             $commandParam = (string)$this->getParameter($param_command);
             self::requireType($commandParam, self::type_string());
-            // Get the lane and command
-            $lane = $selfserve->lane($lane_id);
-            // If the user has the bypass permission, set the lane to bypass customer number validation
-            if (self::hasPermission('modules_selfserve_lane_command_bypass_customer_number_validation')) {
-                $lane->setBypassCustomerNumberValidation(true);
-            }
             $command = selfserve_lane_command::tryFrom($commandParam);
             if ($command === null) {
                 $response->error("Invalid command: " . $commandParam);
             }
+            // Get the lane and command
+            $lane = $selfserve->lane($lane_id);
+            // Preserve not-found behavior before evaluating elevated/customer alternatives.
+            if (empty($lane->department_lane) || empty($lane->department_lane->department)) {
+                $response->error('Lane department not found', 404);
+            }
             $customer_number = $this->resolveEffectiveCustomerNumber();
             $customer_number = $customer_number === null ? 0 : (int)$customer_number;
+            [
+                $allow_customer_self_serve,
+                $requires_active_wash,
+                $allow_department_active_wash
+            ] = $this->customerSelfServeCommandAccessRequirements($command);
+            $this->requireSelfServeLaneDepartmentOrCustomerAccess(
+                $lane,
+                $customer_number,
+                $allow_customer_self_serve,
+                $requires_active_wash,
+                $allow_department_active_wash
+            );
+            // If the user has the bypass permission, set the lane to bypass customer number validation
+            if (self::hasPermission('modules_selfserve_lane_command_bypass_customer_number_validation')) {
+                $lane->setBypassCustomerNumberValidation(true);
+            }
             // Require permissions for specific commands
             switch ($command) {
                 case selfserve_lane_command::START:
@@ -503,7 +519,8 @@ class moduleSelfServeRoute
                         $customer_number,
                         'modules_selfserve_lane_command_execute_stop',
                         true,
-                        true
+                        true,
+                        false
                     );
                     break;
                 case selfserve_lane_command::RESERVE:
@@ -1557,6 +1574,51 @@ class moduleSelfServeRoute
         $lane->setShellyTransportOverride($transport);
     }
 
+    /**
+     * @return array{0:bool,1:bool,2:bool} [customer self-serve allowed, active wash required, department active wash fallback allowed]
+     */
+    private function customerSelfServeCommandAccessRequirements(selfserve_lane_command $command): array
+    {
+        return match ($command) {
+            selfserve_lane_command::START => [true, false, false],
+            selfserve_lane_command::STOP => [true, true, false],
+            selfserve_lane_command::OPEN_PROPERTY_ACCESS_GATE,
+            selfserve_lane_command::OPEN_PROPERTY_EXIT_GATE => [true, true, true],
+            selfserve_lane_command::RESERVE,
+            selfserve_lane_command::RELEASE,
+            selfserve_lane_command::RESET => [false, false, false],
+        };
+    }
+
+    private function requireSelfServeLaneDepartmentOrCustomerAccess(
+        selfserve_lane $lane,
+        int $customer_number,
+        bool $allow_customer_self_serve,
+        bool $requires_active_wash = false,
+        bool $allow_department_active_wash = false
+    ): void {
+        $department_id = $this->departmentIdForLane($lane);
+        if ($department_id > 0 && $this->hasDepartmentAccess((string)$department_id)) {
+            return;
+        }
+
+        if ($allow_customer_self_serve) {
+            $customer_allowed = $requires_active_wash
+                ? $this->canCustomerUseActiveOperationalSelfServeLane($lane, $customer_number, $allow_department_active_wash)
+                : $this->canCustomerUseSelfServeLane($lane, $customer_number);
+
+            if ($customer_allowed) {
+                return;
+            }
+        }
+
+        $missing_permissions = $department_id > 0 ? ['department_access_' . $department_id] : [];
+        if ($allow_customer_self_serve) {
+            $missing_permissions[] = self::CUSTOMER_SELFSERVE_PERMISSION;
+        }
+        $this->emitForbidden($missing_permissions);
+    }
+
     /**
      * @param array<int,string> $permissions
      */
@@ -1604,7 +1666,8 @@ class moduleSelfServeRoute
         int $customer_number,
         string $command_permission,
         bool $allow_customer_self_serve,
-        bool $requires_active_wash = false
+        bool $requires_active_wash = false,
+        bool $allow_department_active_wash = false
     ): void {
         $elevated_permissions = [
             'modules_selfserve_lane_command_execute',
@@ -1616,7 +1679,7 @@ class moduleSelfServeRoute
 
         if ($allow_customer_self_serve && $this->isSelfServeModuleEnabled()) {
             $customer_allowed = $requires_active_wash
-                ? $this->canCustomerUseActiveSelfServeLane($lane, $customer_number)
+                ? $this->canCustomerUseActiveOperationalSelfServeLane($lane, $customer_number, $allow_department_active_wash)
                 : $this->canCustomerUseSelfServeLane($lane, $customer_number);
 
             if ($customer_allowed) {
@@ -1697,7 +1760,61 @@ class moduleSelfServeRoute
 
     protected function canCustomerUsePropertyGateForLane(selfserve_lane $lane, int $customer_number): bool
     {
-        return $this->canCustomerUseActiveSelfServeLane($lane, $customer_number);
+        return $this->canCustomerUseActiveOperationalSelfServeLane($lane, $customer_number, true);
+    }
+
+    protected function canCustomerUseActiveOperationalSelfServeLane(
+        selfserve_lane $lane,
+        int $customer_number,
+        bool $allow_department_active_wash = false
+    ): bool {
+        return $this->isLaneSelfServeOperationallyEnabled($lane)
+            && (
+                $allow_department_active_wash
+                    ? $this->canCustomerUseActiveSelfServeLane($lane, $customer_number)
+                    : $this->canCustomerUseActiveSelfServeLaneSession($lane, $customer_number)
+            );
+    }
+
+    protected function canCustomerUseActiveSelfServeLaneSession(selfserve_lane $lane, int $customer_number): bool
+    {
+        if ($customer_number <= 0 || !$this->hasPermission(self::CUSTOMER_SELFSERVE_PERMISSION)) {
+            return false;
+        }
+
+        try {
+            if ((int)$lane->getCustomerNumber() === $customer_number) {
+                return true;
+            }
+        } catch (\Throwable) {
+            // Fall back to the persisted lane session lookup below.
+        }
+
+        $active_statuses = array_map(
+            static fn(selfserve_wash_session_status $status): string => $status->value,
+            [
+                selfserve_wash_session_status::MACHINE_RELAY_ENABLED,
+                selfserve_wash_session_status::READY_FOR_MACHINE_START,
+                selfserve_wash_session_status::MACHINE_STARTED,
+                selfserve_wash_session_status::PENDING_QUESTIONS,
+                selfserve_wash_session_status::MACHINE_NOT_ALLOWED,
+            ]
+        );
+
+        $sessions = (new selfserve_wash_sessions_o())->getFieldsWhere([
+            'lane_id' => (int)$lane->id,
+            'customer_number' => $customer_number,
+            'completed_at' => null,
+            'deleted_at' => null,
+        ], ['id', 'status']);
+
+        foreach ($sessions as $session) {
+            if (in_array((string)($session['status'] ?? ''), $active_statuses, true)) {
+                return true;
+            }
+        }
+
+        return false;
     }
 
     protected function isLaneSelfServeOperationallyEnabled(selfserve_lane $lane): bool
diff --git a/services/nginx/app/routes/orderBookingRoute.php b/services/nginx/app/routes/orderBookingRoute.php
index e2e784f0..a23dca75 100644
--- a/services/nginx/app/routes/orderBookingRoute.php
+++ b/services/nginx/app/routes/orderBookingRoute.php
@@ -3,6 +3,7 @@
 namespace routes;
 
 use classes\authentication;
+use classes\email;
 use classes\order_bookings_counts_cache;
 use classes\order_bookings_list_cache;
 use classes\redis;
@@ -368,6 +369,29 @@ class orderBookingRoute
             ]
         );
 
+        $this->post('/order-bookings/booking-confirmation/resend', function () {
+            global $response;
+
+            $object = self::getTargetObject();
+            if (!$object || !$object->exists()) {
+                $response->error('Order booking does not exist.', 400);
+            }
+
+            self::requirePermission('resend_booking_confirmations');
+            self::requireDepartmentAccess((int)$object->department->value());
+
+            (new email())->sendOrderBookingConfirmationEmail($object);
+
+            $response->success([
+                'message' => 'Booking confirmation resent successfully.',
+                'booking' => $object->asArray(),
+            ]);
+        },
+            [
+                'resend_booking_confirmations' => 'Permission for department admins to resend order booking confirmation emails.'
+            ]
+        );
+
         $this->post('/order-bookings/complete', function () {
             // Require the user to be logged in
             global $response;
diff --git a/services/nginx/app/tests/Api/OrderBookingConfirmationResendApiTest.php b/services/nginx/app/tests/Api/OrderBookingConfirmationResendApiTest.php
new file mode 100644
index 00000000..91b2b026
--- /dev/null
+++ b/services/nginx/app/tests/Api/OrderBookingConfirmationResendApiTest.php
@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+putenv('EMAIL_FAKE_MODE=1');
+
+usesApiSuite();
+
+it('allows department admins to resend order booking confirmations', function (): void {
+    $customer = api_fixtures()->createUser([
+        'display_name' => 'Resend Booking Confirmation Customer',
+        'email' => 'resend-booking-confirmation@example.test',
+    ]);
+    $branding = api_fixtures()->createBranding([
+        'name' => 'Resend Booking Confirmation Brand',
+        'address' => 'Resend Booking Confirmation Address 1',
+    ]);
+    $department = api_fixtures()->createDepartment([
+        'name' => 'Resend Booking Confirmation Department',
+        'branding' => $branding['id'],
+    ]);
+    $booking = api_fixtures()->createOrderBooking([
+        'customer_number' => $customer['customer_number'],
+        'department' => $department['id'],
+        'reference' => 'RESEND-CONFIRMATION',
+        'reg_1' => 'RESEND1',
+    ]);
+    $session = api_fixtures()->createUserSession([
+        'resend_booking_confirmations',
+        'department_access_' . $department['id'],
+    ]);
+
+    $response = api_client()->post('/order-bookings/booking-confirmation/resend', [
+        'id' => $booking['id'],
+    ], $session['headers']);
+
+    $response
+        ->assertStatus(200)
+        ->assertEnvelope()
+        ->assertSuccess();
+
+    expect($response->data())
+        ->toBeArray()
+        ->toHaveKey('message', 'Booking confirmation resent successfully.')
+        ->toHaveKey('booking')
+        ->and($response->data()['booking'])
+        ->toBeArray()
+        ->and($response->data()['booking']['id'] ?? null)
+        ->toBe($booking['id'])
+        ->and($response->data()['booking']['reference'] ?? null)
+        ->toBe('RESEND-CONFIRMATION');
+});
+
+it('requires department access when resending order booking confirmations', function (): void {
+    $customer = api_fixtures()->createUser([
+        'display_name' => 'Resend Booking Confirmation Foreign Customer',
+    ]);
+    $department = api_fixtures()->createDepartment([
+        'name' => 'Resend Booking Confirmation Foreign Department',
+    ]);
+    $booking = api_fixtures()->createOrderBooking([
+        'customer_number' => $customer['customer_number'],
+        'department' => $department['id'],
+    ]);
+    $session = api_fixtures()->createUserSession([
+        'resend_booking_confirmations',
+    ]);
+
+    $response = api_client()->post('/order-bookings/booking-confirmation/resend', [
+        'id' => $booking['id'],
+    ], $session['headers']);
+
+    $response
+        ->assertStatus(403)
+        ->assertEnvelope()
+        ->assertSuccess(false)
+        ->assertMissingPermissions(['department_access_' . $department['id']]);
+});
diff --git a/services/nginx/app/tests/Api/SelfserveLaneCommandApiTest.php b/services/nginx/app/tests/Api/SelfserveLaneCommandApiTest.php
new file mode 100644
index 00000000..4ffdd7d4
--- /dev/null
+++ b/services/nginx/app/tests/Api/SelfserveLaneCommandApiTest.php
@@ -0,0 +1,205 @@
+<?php
+
+usesApiSuite();
+
+function selfserve_lane_command_ensure_legacy_redis_constant(): void
+{
+    if (defined('redis')) {
+        return;
+    }
+
+    global $REDIS_CONFIG;
+
+    $REDIS_CONFIG = [
+        'host' => getenv('REDIS_CONFIG_HOST') ?: getenv('REDIS_CONFIG_DEBUG_HOST') ?: 'redis',
+        'user' => getenv('REDIS_CONFIG_USER') ?: getenv('REDIS_CONFIG_DEBUG_USER') ?: 'default',
+        'database' => getenv('REDIS_CONFIG_DATABASE') ?: getenv('REDIS_CONFIG_DEBUG_DATABASE') ?: '0',
+        'password' => getenv('REDIS_CONFIG_PASSWORD') ?: getenv('REDIS_CONFIG_DEBUG_PASSWORD') ?: '',
+        'port' => getenv('REDIS_CONFIG_PORT') ?: getenv('REDIS_CONFIG_DEBUG_PORT') ?: '6379',
+    ];
+
+    define('redis', (new \classes\redis())->connect());
+}
+
+function selfserve_lane_command_lane(int $laneId): \modules\selfserve\classes\selfserve_lane
+{
+    selfserve_lane_command_ensure_legacy_redis_constant();
+
+    return (new \classes\selfserve())->lane($laneId);
+}
+
+function selfserve_lane_command_make_available(int $laneId): void
+{
+    $lane = selfserve_lane_command_lane($laneId);
+    $lane->setLaneStatus(\modules\selfserve\helpers\selfserve_lane_status::AVAILABLE);
+    $lane->setLaneState(\modules\selfserve\helpers\selfserve_lane_state::IDLE);
+    $lane->setCustomerNumber(0);
+    $lane->setLicensePlate('');
+    $lane->setWashStartTime(0);
+}
+
+function selfserve_lane_command_make_occupied(int $laneId, int $customerNumber, string $licensePlate): void
+{
+    $lane = selfserve_lane_command_lane($laneId);
+    $lane->setLaneStatus(\modules\selfserve\helpers\selfserve_lane_status::OCCUPIED);
+    $lane->setLaneState(\modules\selfserve\helpers\selfserve_lane_state::IN_WASH);
+    $lane->setCustomerNumber($customerNumber);
+    $lane->setLicensePlate($licensePlate);
+    $lane->setWashStartTime(time() - 60);
+}
+
+it('allows customer self-serve permission to execute START without department access when department and lane are enabled', function (): void {
+    $group = api_fixtures()->createGroup([], [
+        'list_own_department_selfserve_vehicle_conditions',
+    ]);
+    $scenario = api_fixtures()->createSelfServeScenario([
+        'customer' => ['group_id' => $group['id']],
+        'department_selfserve_enabled' => true,
+        'lane_selfserve_enabled' => true,
+    ]);
+    selfserve_lane_command_make_available((int)$scenario['lane']['id']);
+    $token = api_fixtures()->createAuthToken((int)$scenario['customer']['id']);
+
+    $response = api_client()->post('/modules/self-serve/lane/command', [
+        'lane_id' => (int)$scenario['lane']['id'],
+        'command' => 'START',
+        'license_plate' => (string)$scenario['vehicle']['reg'],
+        'defer_relay_side_effects' => true,
+    ], api_fixtures()->bearerHeaders($token));
+
+    $response
+        ->assertStatus(200)
+        ->assertSuccess(true);
+
+    expect($response->data()['status'] ?? null)->toBe('OCCUPIED')
+        ->and($response->data()['customer_number'] ?? null)->toBe((int)$scenario['customer']['customer_number']);
+});
+
+it('denies customer START when department self-serve is disabled', function (): void {
+    $group = api_fixtures()->createGroup([], [
+        'list_own_department_selfserve_vehicle_conditions',
+    ]);
+    $scenario = api_fixtures()->createSelfServeScenario([
+        'customer' => ['group_id' => $group['id']],
+        'department_selfserve_enabled' => false,
+        'lane_selfserve_enabled' => true,
+    ]);
+    selfserve_lane_command_make_available((int)$scenario['lane']['id']);
+    $token = api_fixtures()->createAuthToken((int)$scenario['customer']['id']);
+
+    $response = api_client()->post('/modules/self-serve/lane/command', [
+        'lane_id' => (int)$scenario['lane']['id'],
+        'command' => 'START',
+        'license_plate' => (string)$scenario['vehicle']['reg'],
+    ], api_fixtures()->bearerHeaders($token));
+
+    $response
+        ->assertStatus(403)
+        ->assertMissingPermissions([
+            'department_access_' . (int)$scenario['department']['id'],
+            'list_own_department_selfserve_vehicle_conditions',
+        ]);
+});
+
+it('denies customer START when lane self-serve is disabled', function (): void {
+    $group = api_fixtures()->createGroup([], [
+        'list_own_department_selfserve_vehicle_conditions',
+    ]);
+    $scenario = api_fixtures()->createSelfServeScenario([
+        'customer' => ['group_id' => $group['id']],
+        'department_selfserve_enabled' => true,
+        'lane_selfserve_enabled' => false,
+    ]);
+    selfserve_lane_command_make_available((int)$scenario['lane']['id']);
+    $token = api_fixtures()->createAuthToken((int)$scenario['customer']['id']);
+
+    $response = api_client()->post('/modules/self-serve/lane/command', [
+        'lane_id' => (int)$scenario['lane']['id'],
+        'command' => 'START',
+        'license_plate' => (string)$scenario['vehicle']['reg'],
+    ], api_fixtures()->bearerHeaders($token));
+
+    $response
+        ->assertStatus(403)
+        ->assertMissingPermissions([
+            'department_access_' . (int)$scenario['department']['id'],
+            'list_own_department_selfserve_vehicle_conditions',
+        ]);
+});
+
+it('denies a customer STOP for another customers active lane', function (): void {
+    $scenario = api_fixtures()->createSelfServeScenario([
+        'department_selfserve_enabled' => true,
+        'lane_selfserve_enabled' => true,
+    ]);
+    selfserve_lane_command_make_occupied(
+        (int)$scenario['lane']['id'],
+        (int)$scenario['customer']['customer_number'],
+        (string)$scenario['vehicle']['reg']
+    );
+    $otherSession = api_fixtures()->createUserSession([
+        'list_own_department_selfserve_vehicle_conditions',
+    ]);
+
+    $response = api_client()->post('/modules/self-serve/lane/command', [
+        'lane_id' => (int)$scenario['lane']['id'],
+        'command' => 'STOP',
+    ], $otherSession['headers']);
+
+    $response
+        ->assertStatus(403)
+        ->assertMissingPermissions([
+            'department_access_' . (int)$scenario['department']['id'],
+            'list_own_department_selfserve_vehicle_conditions',
+        ]);
+});
+
+it('still allows elevated operators with department access to execute lane commands', function (): void {
+    $scenario = api_fixtures()->createSelfServeScenario([
+        'department_selfserve_enabled' => false,
+        'lane_selfserve_enabled' => false,
+    ]);
+    selfserve_lane_command_make_available((int)$scenario['lane']['id']);
+    $session = api_fixtures()->createUserSession([
+        'department_access_' . (int)$scenario['department']['id'],
+        'modules_selfserve_lane_command_execute',
+        'modules_selfserve_lane_command_execute_start',
+    ]);
+
+    $response = api_client()->post('/modules/self-serve/lane/command', [
+        'lane_id' => (int)$scenario['lane']['id'],
+        'command' => 'START',
+        'license_plate' => 'OP' . (int)$scenario['lane']['id'],
+        'defer_relay_side_effects' => true,
+    ], $session['headers']);
+
+    $response
+        ->assertStatus(200)
+        ->assertSuccess(true);
+
+    expect($response->data()['status'] ?? null)->toBe('OCCUPIED');
+});
+
+it('keeps operator-only commands elevated-only for customers and reports command permissions', function (): void {
+    $group = api_fixtures()->createGroup([], [
+        'list_own_department_selfserve_vehicle_conditions',
+    ]);
+    $scenario = api_fixtures()->createSelfServeScenario([
+        'customer' => ['group_id' => $group['id']],
+        'department_selfserve_enabled' => true,
+        'lane_selfserve_enabled' => true,
+    ]);
+    selfserve_lane_command_make_available((int)$scenario['lane']['id']);
+    $token = api_fixtures()->createAuthToken((int)$scenario['customer']['id']);
+
+    $response = api_client()->post('/modules/self-serve/lane/command', [
+        'lane_id' => (int)$scenario['lane']['id'],
+        'command' => 'RESET',
+    ], api_fixtures()->bearerHeaders($token));
+
+    $response
+        ->assertStatus(403)
+        ->assertMissingPermissions([
+            'department_access_' . (int)$scenario['department']['id'],
+        ]);
+});
diff --git a/services/nginx/app/tests/Support/Api/ApiFixtures.php b/services/nginx/app/tests/Support/Api/ApiFixtures.php
index 0e25bfbb..b4649240 100644
--- a/services/nginx/app/tests/Support/Api/ApiFixtures.php
+++ b/services/nginx/app/tests/Support/Api/ApiFixtures.php
@@ -145,6 +145,47 @@ final class ApiFixtures
         return ['id' => $departmentId];
     }
 
+    public function setDepartmentSelfServeEnabled(int $departmentId, bool $enabled): void
+    {
+        if ($departmentId <= 0) {
+            throw new RuntimeException('Department self-serve fixtures require a positive department id.');
+        }
+
+        $this->cleanupDeleteWhere('department_variables', [
+            'department_id' => $departmentId,
+            'variable' => 'selfserve_enabled',
+        ]);
+
+        $existingIds = $this->fetchIntColumnWhere('department_variables', 'id', [
+            'department_id' => $departmentId,
+            'variable' => 'selfserve_enabled',
+        ]);
+        if ($existingIds !== []) {
+            $this->updateById('department_variables', (int)$existingIds[0], [
+                'value' => $enabled ? 'true' : 'false',
+            ]);
+            return;
+        }
+
+        $variableId = $this->insertRowWithExistingColumns('department_variables', [
+            'department_id' => $departmentId,
+            'variable' => 'selfserve_enabled',
+            'value' => $enabled ? 'true' : 'false',
+        ]);
+        $this->cleanup->add(fn() => $this->deleteById('department_variables', $variableId));
+    }
+
+    public function setLaneSelfServeEnabled(int $laneId, bool $enabled): void
+    {
+        if ($laneId <= 0) {
+            throw new RuntimeException('Lane self-serve fixtures require a positive lane id.');
+        }
+
+        $this->updateById('department_lanes', $laneId, [
+            'selfserve_enabled' => $enabled ? 1 : 0,
+        ]);
+    }
+
     /**
      * @param array<string, mixed> $attributes
      * @return array<string, mixed>
@@ -295,6 +336,14 @@ final class ApiFixtures
         $laneId = $this->insertRowWithExistingColumns('department_lanes', $laneData);
         $this->cleanup->add(fn() => $this->deleteById('department_lanes', $laneId));
 
+        $this->setDepartmentSelfServeEnabled(
+            (int)$department['id'],
+            (bool)($overrides['department_selfserve_enabled'] ?? true)
+        );
+        if (array_key_exists('lane_selfserve_enabled', $overrides)) {
+            $this->setLaneSelfServeEnabled($laneId, (bool)$overrides['lane_selfserve_enabled']);
+        }
+
         $customer = $this->createUser(array_merge([
             'display_name' => 'API Self-Serve Customer ' . strtoupper($suffix),
             'economic_customer_name' => 'API Self-Serve Customer ' . strtoupper($suffix),