# China (USD) Transaction Data Requirements

The following transaction-level fields apply to all USD payments to China via CFXPS (China Foreign Exchange Payment System).

| Field  | Description  | Required | Type | Constraints  |
|  --- | --- | --- | --- | --- |
| `purposeCode` | Purpose of payment | Required | ENUM | See [valid values](#purpose-of-payment-codes) below |


## Purpose of payment codes

| Code | Description |
|  --- | --- |
| `GDDS` | Purchase or sale of goods |
| `SCVE` | Purchase or sale of services |