There is an agreement between the two Sterlings for her to negotiate a voluntary sale, and there have been discussions between the NBA and Shelly Sterling, according to the source.
The NBA has banned Donald Sterling for life, and the league is preparing a vote by other team owners that would force the couple, which own the team, to sell the franchise.
The ban and pending vote — along a $2.5 million fine against Donald Sterling — arise from racist remarks that the billionaire made against African-Americans.