NFL Collective Bargaining Agreement
Regular Season and Postseason Practices
Section 4Films
In addition to the provisions set forth in Article 21, Section 8(h), Clubs shall film all regular and postseason practices and shall maintain a copy of such films until thirty days after the end of their season. The NFLPA may view such films (after signing a confidentiality agreement satisfactory to the NFL at the start of each League Year) only upon the filing of a complaint alleging a violation of this Article.