The AASA has an online Vehicle Passport Application process as per below
From Feb 17, 2017 the AASA has instigated a new, fully online Automobile Passport application. As part of this revision there is a new requirement for the registration of Safety Cages. This will not apply to spaceframe or tub automobiles, nor to automobiles for which a previous Passport or Log Book has been issued.
Vehicle Passport Application
To apply for a Vehicle Passport, please create a AASA account and log in to the User Portal.
Vehicle Passport Change of Details
Please complete this form and send it with your passport to AASA