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NFL Commissioner Roger Goodell and players' union chief DeMaurice Smith are meeting Tuesday to discuss the league's personal conduct policy.

The NFL Players Association has been unhappy with what it calls "lack of transparency" in the NFL's policy. Smith has said the only way to have a fair policy is if the NFL and owners "commit to collective bargaining."

The NFL counters that the union agreed to the policy during labor negotiations to end the 2011 lockout. That collective bargaining agreement runs through 2021.

The union also is displeased with the way Goodell increased the minimum penalty for violation of the policy to six games following the Ray Rice case. The league contends the personal conduct policy gives him that right.

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