Wiktionary
preregistration
n. An early registration, before the normal time
Usage examples of "preregistration".
Despite his departure from the university long ago under the cloud of a scandal involving a girl, a dwarf and a donkey-or perhaps because of this-Merimee has, over the years, come to occupy something of an oracular position in my private cosmos, and his words often return to me in contexts other than that of the preregistration interview.
Ollie fished out his preregistration card and allowed a flower to take it.