In college (since the 1996 season) and high school football, as well as the Canadian Football League (since the 1986 season), an overtime procedure is used to determine the winner. This method is sometimes referred to as a "Kansas Playoff", or "Kansas Plan" because of its origins for high school football in that state. A brief summary of the rules:

Answer this question based on the passage: when did they start overtime in college football? OK. Let's think. My stream of consciousness:
This is the relevant information: In college (since the 1996 season) and high school football, as well as the Canadian Football League (since the 1986 season), an overtime procedure is used to determine the winner. The answer is the 1996 season.