def METHOD_NAME(tax_app):
    webhooks = [
        Webhook(
            name=f"Tax checkout webhook no {i}",
            app=tax_app,
            target_url=f"https://www.example.com/tax-checkout-{i}",
        )
        for i in range(3)
    ]
    Webhook.objects.bulk_create(webhooks)
    WebhookEvent.objects.bulk_create(
        WebhookEvent(
            event_type=WebhookEventSyncType.CHECKOUT_CALCULATE_TAXES,
            webhook=webhook,
        )
        for webhook in webhooks
    )
    return list(
        Webhook.objects.filter(
            events__event_type=WebhookEventSyncType.CHECKOUT_CALCULATE_TAXES
        )
    )