§1. The diocesan bishop or, for an interdiocesan seminary, the bishops involved are competent to decide those things which pertain to the above-mentioned governance and administration of the seminary.
§2. The diocesan bishop or, for an interdiocesan seminary, the bishops involved are to visit the seminary frequently, to watch over the formation of their own students as well as the philosophical and theological instruction taught in the seminary, and to keep themselves informed about the vocation, character, piety, and progress of the students, especially with a view to the conferral of sacred ordination.
Source: Code of Canon Law (Vatican.va)