<P> The three - second rule was introduced in 1936 and was expressed as such : no offensive player with the ball could remain in the Key with or without the ball , for more than three seconds . </P>
<P> The three - second rule was introduced in 1936 and was expressed as such : no offensive player with the ball could remain in the Key with or without the ball , for more than three seconds . </P>
when did the nba 3 second rule start
when did the nba 3 second rule start
1936
1936