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# regularBilling

The regular billing cycle for the recurring payment, including start and end dates, an interval, and an interval count.

```
required ApplePayLineItem regularBilling;
```

## Discussion

This line item applies to a regular billing cycle for a recurring payment.

> Note:
> Set the ``doc://com.apple.applepayontheweb/documentation/ApplePayontheWeb/ApplePayLineItem/paymentTiming`` property of the line item to `"recurring"` to avoid an error.

---

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