<P> The current eligibility rules were established under the NBA 's 2005 collective bargaining agreement ( CBA ) , which expired in 2011 , resulting in a lockout . The new CBA , approved in December 2011 , made no changes to the draft rules , but called for the NBA and its players union to form a committee to discuss draft - related issues . The basic rules that started in the 2006 draft are : </P>
<P> The current eligibility rules were established under the NBA 's 2005 collective bargaining agreement ( CBA ) , which expired in 2011 , resulting in a lockout . The new CBA , approved in December 2011 , made no changes to the draft rules , but called for the NBA and its players union to form a committee to discuss draft - related issues . The basic rules that started in the 2006 draft are : </P>
when did the nba make players go to college
when did the nba make players go to college
December 2011
December 2011