Values.TaxExemptionsSourceval to_value :
TaxExemption.t list ->
[> `List of
[> `Structure of
(string
* [> `Enum of string
| `Structure of
(string
* [> `List of
[> `Structure of
(string * [> `String of CountryCode.t ]) list ]
list
| `String of CountryCode.t ])
list
| `Timestamp of Timestamp.t ])
list ]
list ]