50 NAB EFTPOS Mobile Terminal GuideThe pre-authorisation adjustment feature is optional and is available if you are a merchant operating in the followingbusiness types:• Eating places and restaurants• Drinking places, bars, taverns, nightclubs etc• Local and suburban commuter passenger transportation, including ferries• Passenger railways and bus lines• Recreational service miscellaneous (aircraft rental) and recreational service miscellaneous (bicycle rental)• Motorcycle rental, boat rental equipment rental and motor home rental• Trailer park or campground• Amusement parks, circuses, carnivals, and fortune tellers• Cruise lines• Lodging merchants• Vehicle rental• Card absent taxicabs and limousinesThe pre-authorisation adjustment process looks up the original pre-authorisation record and allows the authorisation valueto be changed (up or down).The funds held are not debited from the cardholder’s account until final payment, a pre-authorisation completion,is processed. It is important to retain the pre-authorisation adjustment merchant receipt as the pre-authorisation completioncannot be completed without the Approval Code from the receipt.pre-authorisation adjustment is available for credit cards only.Note: This feature is available on NAB EFTPOS Mobile terminals integrated with your POS, however some steps may not applyor may be initiated via the POS.Step 1Press the Menu key, then 1 to select ‘Transaction’Step 2Press 5 to select ‘Pre-Auth’NAB EFTPOS MOBILEPRE-AUTHORISATION ADJUST
