<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
    <InvoiceAnnulment xmlns="http://schemas.nav.gov.hu/OSA/3.0/annul">
        <annulmentReference>22222222</annulmentReference>
        <annulmentTimestamp>2018-06-18T09:10:45.309Z</annulmentTimestamp>
        <annulmentCode>ERRATIC_DATA</annulmentCode>
        <annulmentReason>create szamla annul</annulmentReason>
    </InvoiceAnnulment>