| Name | Type | Description | Notes |
|---|---|---|---|
| sender | \Toppy\Sendcloud\V3\Model\ReturnsTaxNumber[] | Sender's list of identification number objects | |
| receiver | \Toppy\Sendcloud\V3\Model\ReturnsTaxNumber[] | Receiver's list of identification number objects | |
| importerOfRecord | \Toppy\Sendcloud\V3\Model\ReturnsTaxNumber[] | Importer of record's list of identification number objects |