Office of the Comptroller
External Customers 

For your convenience, kindly find below a description of our customer assistance system and a downloadable invoice maturity dates information sheet.

Customer Assistance:
Customer assistance was created to answer questions, offer guidance, and assist customers in resolving complaints or unsettled issues. You can contact customer assistance by:

Phone: 01-350000 Ext. 2450-2455

E-mail: Office of the Comptroller


Office of the Comptroller
American University of Beirut
P.O Box: 11-0236
Riad El Solh Beirut 1107 2020

When we receive your call or written complaint, customer assistance will attempt to resolve your problem by solving it directly or referring it to the concerned party. However, in case immediate solving of the problem is not possible, we may request you to offer additional information and get back to you after resolving your complaint.

Do not forget to provide us with your:

Phone Number

Invoice Maturity Dates


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