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Amadeus AM & AB Commands: Address Elements

A complete guide to the AM and AB commands in Amadeus — how to add mailing and billing address elements to a PNR and when each one should be used.

A PNR is more than an itinerary and a passenger name. It is a complete record of how the booking was made, who paid for it, and where the documents should be sent. Two address elements handle these needs in Amadeus: AM for the mailing address, and AB for the billing address. They look similar on the surface — both record an address — but they serve different purposes and are used in different situations. This guide explains what each command does, the correct syntax, and when each one should be used.

What Do the AM and AB Commands Do?

AM and AB are Amadeus GDS commands used to add mailing and billing address elements to a PNR.

Category: PNR Elements.

AM → adds a mailing address to the PNR.
AB → adds a billing address to the PNR.

Both entries create address elements inside the PNR. The mailing address is used when documents must be sent to the passenger — invoices, itineraries, or paper tickets. The billing address is used when the payment is made by a company, corporate account, or third party, and the address must appear on the invoice or record for accounting purposes.

Mailing Address — AM

Add the passenger’s mailing address:

AM MR SVEN HANNES,HOLBERGSGATEN 30,0166 OSLO 1

This adds the passenger’s mailing address to the PNR. The entry includes the name, street address, and city details, separated by commas. It is used when a document must be sent to the passenger by post — for example a paper ticket, a printed invoice, or a travel pack.

Always confirm the address with the customer before entering it, especially for international post, where a wrong city or postcode can delay delivery by weeks.

Billing Address — AB

Add a billing address for the booking:

AB IBM CORP,4 ARLINGTON RD,LONDON,NW1 4JX

This adds a billing address for the booking. The entry records the company or third party responsible for payment, together with their address. It is typically used in corporate travel, where the invoice must be sent to the company rather than to the individual traveller.

The billing address is separate from the mailing address. A booking can carry both — for example a corporate invoice addressed to the company, and the ticket mailed to the passenger’s home.

When to Use AM and AB

Use AM when adding a mailing address and AB when adding billing address information to the PNR. Typical scenarios include:

AM — mailing an itinerary, invoice, or paper ticket to the passenger.
AM — sending travel documents to a home address for a leisure booking.
AM — dispatching a travel pack to a tour group participant.
AB — invoicing a corporate client for a business trip.
AB — recording the payment address for a third-party or sponsored booking.
AB — ensuring the correct company details appear on the invoice.
AM and AB together — corporate travel where the invoice goes to the company and the documents go to the traveller.

How AM and AB Fit Into Your PNR Management Workflow

A typical session using AM and AB might look like this:

Retrieve or build the PNR with RT and confirm the passenger details.
Confirm with the customer whether the booking is personal or corporate.
Enter AM for the passenger’s mailing address if documents must be sent.
Enter AB for the billing address if a company or third party is paying.
Verify the entries by redisplaying the PNR.
Continue with ticketing, invoicing, or document dispatch.

AM vs AB — The Key Differences

AM → the mailing address — where documents are sent to the passenger.
AB → the billing address — where the invoice is addressed for payment.
AM → typically used in leisure bookings and paper-ticket dispatch.
AB → typically used in corporate bookings and third-party payments.
Both can appear in the same PNR when the invoice address differs from the delivery address.

Both entries create address elements in the PNR and are visible to the airline and to the BSP as part of the booking record. They do not affect the fare, the itinerary, or the ticketing process — they simply ensure the address information is correct.

Important: Address entries are transmitted to the airline and included in the PNR record. Always confirm the exact address with the customer or the corporate account before entering it, and use capital letters where required by the entry format.

If the address changes after it has been entered, the old element must be removed with XE and the correct one re-entered with AM or AB.

Frequently Asked Questions

What does the AM command do in Amadeus?

AM adds a mailing address to the PNR — the address where documents are sent to the passenger.

What does the AB command do?

AB adds a billing address to the PNR — the address used for invoicing, typically a company or third party.

Can I have both a mailing and a billing address in the same PNR?

Yes. This is common in corporate travel — the invoice goes to the company with AB, and the documents go to the passenger with AM.

How do I correct an address that was entered incorrectly?

Delete the existing element with XE, then re-enter the corrected address with AM or AB.

Do AM and AB affect the ticket or the fare?

No. Both entries only add address information to the PNR. The fare, itinerary, and ticketing process are unaffected.

Conclusion

The AM and AB commands handle the two address elements a PNR can carry. Use AM to add a mailing address — the address where documents are sent to the passenger, for example AM MR SVEN HANNES,HOLBERGSGATEN 30,0166 OSLO 1. Use AB to add a billing address — the address used for invoicing, for example AB IBM CORP,4 ARLINGTON RD,LONDON,NW1 4JX. Both entries are essential for accurate record keeping, particularly in corporate travel where the invoice and the delivery addresses differ. Always confirm the address details with the customer or the corporate account, and use XE to remove an address if it needs to be corrected. Together, AM and AB complete the PNR element toolkit and ensure every booking carries the correct mailing and billing information.