diff --git a/fast/stages/3-data-platform/dev/README.md b/fast/stages/3-data-platform/dev/README.md
index 48d09eaf..518e4516 100644
--- a/fast/stages/3-data-platform/dev/README.md
+++ b/fast/stages/3-data-platform/dev/README.md
@@ -190,6 +190,7 @@ You can find examples in the `[demo](../../../../blueprints/data-solutions/data-
 | [host_project_ids](variables.tf#L120) | Shared VPC project ids. | <code title="object&#40;&#123;&#10;  dev-spoke-0 &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> | ✓ |  | <code>2-networking</code> |
 | [organization](variables.tf#L150) | Organization details. | <code title="object&#40;&#123;&#10;  domain      &#61; string&#10;  id          &#61; number&#10;  customer_id &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> | ✓ |  | <code>00-globals</code> |
 | [prefix](variables.tf#L166) | Unique prefix used for resource names. Not used for projects if 'project_create' is null. | <code>string</code> | ✓ |  | <code>00-globals</code> |
+| [project_config](variables.tf#L172) | Provide 'billing_account_id' value if project creation is needed, uses existing 'project_ids' if null. Parent is in 'folders/nnn' or 'organizations/nnn' format. | <code title="object&#40;&#123;&#10;  billing_account_id &#61; string&#10;  parent             &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> | ✓ |  |  |
 | [composer_config](variables.tf#L38) | Cloud Composer configuration options. | <code title="object&#40;&#123;&#10;  disable_deployment &#61; optional&#40;bool&#41;&#10;  environment_size   &#61; string&#10;  software_config &#61; object&#40;&#123;&#10;    airflow_config_overrides &#61; optional&#40;any&#41;&#10;    pypi_packages            &#61; optional&#40;any&#41;&#10;    env_variables            &#61; optional&#40;map&#40;string&#41;&#41;&#10;    image_version            &#61; string&#10;  &#125;&#41;&#10;  workloads_config &#61; object&#40;&#123;&#10;    scheduler &#61; object&#40;&#10;      &#123;&#10;        cpu        &#61; number&#10;        memory_gb  &#61; number&#10;        storage_gb &#61; number&#10;        count      &#61; number&#10;      &#125;&#10;    &#41;&#10;    web_server &#61; object&#40;&#10;      &#123;&#10;        cpu        &#61; number&#10;        memory_gb  &#61; number&#10;        storage_gb &#61; number&#10;      &#125;&#10;    &#41;&#10;    worker &#61; object&#40;&#10;      &#123;&#10;        cpu        &#61; number&#10;        memory_gb  &#61; number&#10;        storage_gb &#61; number&#10;        min_count  &#61; number&#10;        max_count  &#61; number&#10;      &#125;&#10;    &#41;&#10;  &#125;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  environment_size &#61; &#34;ENVIRONMENT_SIZE_SMALL&#34;&#10;  software_config &#61; &#123;&#10;    image_version &#61; &#34;composer-2-airflow-2&#34;&#10;  &#125;&#10;  workloads_config &#61; null&#10;&#125;">&#123;&#8230;&#125;</code> |  |
 | [data_catalog_tags](variables.tf#L85) | List of Data Catalog Policy tags to be created with optional IAM binging configuration in {tag => {ROLE => [MEMBERS]}} format. | <code>map&#40;map&#40;list&#40;string&#41;&#41;&#41;</code> |  | <code title="&#123;&#10;  &#34;3_Confidential&#34; &#61; null&#10;  &#34;2_Private&#34;      &#61; null&#10;  &#34;1_Sensitive&#34;    &#61; null&#10;&#125;">&#123;&#8230;&#125;</code> |  |
 | [data_force_destroy](variables.tf#L96) | Flag to set 'force_destroy' on data services like BigQery or Cloud Storage. | <code>bool</code> |  | <code>false</code> |  |
@@ -197,11 +198,11 @@ You can find examples in the `[demo](../../../../blueprints/data-solutions/data-
 | [location](variables.tf#L128) | Location used for multi-regional resources. | <code>string</code> |  | <code>&#34;eu&#34;</code> |  |
 | [network_config_composer](variables.tf#L134) | Network configurations to use for Composer. | <code title="object&#40;&#123;&#10;  cloudsql_range    &#61; string&#10;  gke_master_range  &#61; string&#10;  gke_pods_name     &#61; string&#10;  gke_services_name &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  cloudsql_range    &#61; &#34;192.168.254.0&#47;24&#34;&#10;  gke_master_range  &#61; &#34;192.168.255.0&#47;28&#34;&#10;  gke_pods_name     &#61; &#34;pods&#34;&#10;  gke_services_name &#61; &#34;services&#34;&#10;&#125;">&#123;&#8230;&#125;</code> |  |
 | [outputs_location](variables.tf#L160) | Path where providers, tfvars files, and lists for the following stages are written. Leave empty to disable. | <code>string</code> |  | <code>null</code> |  |
-| [project_services](variables.tf#L172) | List of core services enabled on all projects. | <code>list&#40;string&#41;</code> |  | <code title="&#91;&#10;  &#34;cloudresourcemanager.googleapis.com&#34;,&#10;  &#34;iam.googleapis.com&#34;,&#10;  &#34;serviceusage.googleapis.com&#34;,&#10;  &#34;stackdriver.googleapis.com&#34;&#10;&#93;">&#91;&#8230;&#93;</code> |  |
-| [region](variables.tf#L183) | Region used for regional resources. | <code>string</code> |  | <code>&#34;europe-west1&#34;</code> |  |
-| [service_encryption_keys](variables.tf#L189) | Cloud KMS to use to encrypt different services. Key location should match service region. | <code title="object&#40;&#123;&#10;  bq       &#61; string&#10;  composer &#61; string&#10;  dataflow &#61; string&#10;  storage  &#61; string&#10;  pubsub   &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |  |
-| [subnet_self_links](variables.tf#L201) | Shared VPC subnet self links. | <code title="object&#40;&#123;&#10;  dev-spoke-0 &#61; map&#40;string&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> | <code>2-networking</code> |
-| [vpc_self_links](variables.tf#L210) | Shared VPC self links. | <code title="object&#40;&#123;&#10;  dev-spoke-0 &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> | <code>2-networking</code> |
+| [project_services](variables.tf#L180) | List of core services enabled on all projects. | <code>list&#40;string&#41;</code> |  | <code title="&#91;&#10;  &#34;cloudresourcemanager.googleapis.com&#34;,&#10;  &#34;iam.googleapis.com&#34;,&#10;  &#34;serviceusage.googleapis.com&#34;,&#10;  &#34;stackdriver.googleapis.com&#34;&#10;&#93;">&#91;&#8230;&#93;</code> |  |
+| [region](variables.tf#L191) | Region used for regional resources. | <code>string</code> |  | <code>&#34;europe-west1&#34;</code> |  |
+| [service_encryption_keys](variables.tf#L197) | Cloud KMS to use to encrypt different services. Key location should match service region. | <code title="object&#40;&#123;&#10;  bq       &#61; string&#10;  composer &#61; string&#10;  dataflow &#61; string&#10;  storage  &#61; string&#10;  pubsub   &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |  |
+| [subnet_self_links](variables.tf#L209) | Shared VPC subnet self links. | <code title="object&#40;&#123;&#10;  dev-spoke-0 &#61; map&#40;string&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> | <code>2-networking</code> |
+| [vpc_self_links](variables.tf#L218) | Shared VPC self links. | <code title="object&#40;&#123;&#10;  dev-spoke-0 &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> | <code>2-networking</code> |
 
 ## Outputs
 
diff --git a/fast/stages/3-data-platform/dev/variables.tf b/fast/stages/3-data-platform/dev/variables.tf
index d0aad16f..392e2dc9 100644
--- a/fast/stages/3-data-platform/dev/variables.tf
+++ b/fast/stages/3-data-platform/dev/variables.tf
@@ -22,19 +22,6 @@ variable "automation" {
   })
 }
 
-variable "billing_account" {
-  # tfdoc:variable:source 0-bootstrap
-  description = "Billing account id. If billing account is not part of the same org set `is_org_level` to false."
-  type = object({
-    id           = string
-    is_org_level = optional(bool, true)
-  })
-  validation {
-    condition     = var.billing_account.is_org_level != null
-    error_message = "Invalid `null` value for `billing_account.is_org_level`."
-  }
-}
-
 variable "composer_config" {
   description = "Cloud Composer configuration options."
   type = object({
@@ -99,14 +86,6 @@ variable "data_force_destroy" {
   default     = false
 }
 
-variable "folder_ids" {
-  # tfdoc:variable:source 1-resman
-  description = "Folder to be used for the networking resources in folders/nnnn format."
-  type = object({
-    data-platform-dev = string
-  })
-}
-
 variable "groups" {
   description = "Groups."
   type        = map(string)