July 1st (5.15pm): Final date for any amendments to course choices and order of preference on all CAO applications for entry to college in September 2018. Most of current year Leaving Cert applicants make their final course choice decisions/amendments during this change-of-mind period in May-June each year. Initial CAO offers during first week of July: The CAO makes more than 6,000 offers to mature (over-23) applicants, and to applicants who accepted and then deferred places in 2017. Wednesday, September 5th (5.15pm): Final date for receipt by the SEC of Leaving Cert appeal applications. Final offers of places by the CAO will be made up to October 17th.

Source: The Irish Times May 14, 2018 23:03 UTC