The first sentence of shall not apply to any joint agreement described in such section which permits the telecasting of all or a substantial part of any professional football game on any Friday after six o’clock postmeridian or on any Saturday during the period beginning on the second Friday in September and ending on the second Saturday in December in any year from any telecasting station located within seventy-five miles of the game site of any intercollegiate or interscholastic football contest scheduled to be played on such a date if—

((1)) such intercollegiate football contest is between institutions of higher learning both of which confer degrees upon students following completion of sufficient credit hours to equal a four-year course, or

((2)) in the case of an interscholastic football contest, such contest is between secondary schools, both of which are accredited or certified under the laws of the State or States in which they are situated and offer courses continuing through the twelfth grade of the standard school curriculum, or the equivalent, and

((3)) such intercollegiate or interscholastic football contest and such game site were announced through publication in a newspaper of general circulation prior to August 1 of such year as being regularly scheduled for such day and place.