<xsd:group name="ACCOUNTINGSVCRQMSGS">
<xsd:choice>
<xsd:element ref="BillingInqRq" minOccurs="1" maxOccurs="1" />
<xsd:element ref="BillingCancelReinstateNotifyRq" minOccurs="1" maxOccurs="1" />
<xsd:element ref="BillingNotifyRq" minOccurs="1" maxOccurs="1" />
<xsd:element ref="BillingNotifyModRq" minOccurs="1" maxOccurs="1" />
</xsd:choice>
</xsd:group>
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