How do you cancel a GA1? To cancel a GA1 request, send the GA1 transaction ID to the University Cashier’s Office (UCO), along with the name of the student that you would like canceled off the GA1. The UCO will let you know when this has been done. Read more: Third-Party SponsorshipStudent Sponsorships: GA1 Form Guide Updated on August 4, 2021 Tagged: GA1Third-Party SponsorshipUCO Was this article helpful? Yes No Need Support?Can't find the answer you're looking for?Contact Support