# $taxRulesField->toFormValue()

> Shows an empty tax rule as the `default` rule, when there is one

- Source: `src/TaxRulesField.php#L54` <https://github.com/wagnerwagner/merx/blob/2.0.0-alpha.11/src/TaxRulesField.php#L54>

```php
$taxRulesField->toFormValue():
```

## Return type

`–`

## Description

Not in `fill()`, which Kirby skips for content without the field.

## Parent class

`Wagnerwagner\Merx\TaxRulesField`