Bylaw Baseball. In baseball, an institution may provide 25 official visits an annual basis (August 1 through July 31). A national service academy may provide 31 official visits, 25 of which may be provided prior to the initial signing date of the National Letter of Intent. The institution must maintain a written record of the visits provided. [D] (Revised: 5/11/18, 5/16/18, 7/9/18)