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According to the documentation, this is the code:
data "azurerm_billing_enrollment_account_scope" "example" {
billing_account_name = "1234567890"
enrollment_account_name = "0123456"
}
resource "azurerm_subscription" "example" {
subscription_name = "My Example EA Subscription"
billing_scope_id = data.azurerm_billing_enrollment_account_scope.example.id
}
Hope this helps!
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