In general, early applications are recommended because they facilitate better planning and preparation. Many schools advise students to apply as soon as they obtain 567 slots yonotheir Form I-20 in order to give them enough time to finish all the requirements before the start of their course of study. Applicants should also keep an eye on any announcements made by the U. A. Department of State regarding quotas and policies for issuing visas, since these can impact the total number of F1 visas available.