Is the Air AMS participant required to transmit all the alphanumeric characters as printed on the paper copy of the house air waybill?

Is the Air AMS participant required to transmit all the alphanumeric characters as printed on the paper copy of the house air waybill?

Yes. The Air AMS participant is required to report the full house air waybill identifier as printed on the hard copy document.  This includes alpha characters preceding or contained within the house-level shipment identification.