# XV-MY-28

Source: https://xmlvalid.com/rules/XV-MY-28

> Each line needs its subtotal (cac:ItemPriceExtension/cbc:Amount), the unit price times the quantity; line … has none.

- Level: error
- Rule sets: MyInvois validations of LHDN (Malaysia) MyInvois SDK of 25 September 2026
- Context: `/*/cac:InvoiceLine`
- Test: `cac:ItemPriceExtension/cbc:Amount`

Validate a document against these rules: https://xmlvalid.com/validate