Send Fax Numbers to Payer

Any tradingPartnerServiceId can be used to send a fax to the payer by setting payerFaxNumber on the request.

```javascript
"payerFaxNumber": "fax number of the payer",
```

Any tradingPartnerServiceId can be used to send a physical mail packet to the payer by setting the payerAddress on the request.

```javascript
"payerAddress" : { "address1": "123 address1", "city": "city1", "state" : "wa", "postalCode": "981010000"},
```