```ruby
module Billogram
  class RegionalSweden < Resource
    attr_accessor :rotavdrag, :rotavdrag_personal_number, :rotavdrag_description, :reversed_vat
  end
end
```

Add a field to regional sweden
user
```ruby
module Billogram
  class RegionalSweden < Resource
    attr_accessor :rotavdrag, :rotavdrag_personal_number, :rotavdrag_description,
      :reversed_vat, :rotavdrag_account
  end
end
```
assistant