# ibr-160-ae

Source: https://xmlvalid.com/rules/ibr-160-ae

> When Frequency of billing (BTAE-06) value is 'Others', then value should be provided in Invoice note (IBT-022).

- Level: error
- Rule sets: PINT AE rules (United Arab Emirates) 1.0.4
- Context: `/ubl:Invoice | /cn:CreditNote`
- Test: `not(cac:InvoicePeriod/cbc:DescriptionCode = "OTH" and not(exists(cbc:Note)))`

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