qualified educational programming source
(3) For purposes of this subsection, the term “qualified educational programming source” means a programming source which devotes substantially all of its programming to educational or instructional programming that promotes public understanding of mathematics, the sciences, the humanities, and the arts and has a documented annual expenditure on programming exceeding $15,000,000. The annual expenditure on programming means all annual costs incurred by the programming source to produce or acquire programs which are scheduled to be televised, and specifically excludes marketing, promotion, satellite transmission and operational costs, and general administrative costs.