Shelly Sterling can not "cede control of the team" since she isn't recognized by the NBA as a controlling owner.
But a source said that over the course of this week, Sterling has rethought his position and formally agreed to allow Shelly -- an alternate governor of the team -- to negotiate a sale.
NBA rules, however, prevent him from transferring a controlling interest in the team to anyone. A new controlling owner would need to be approved by the board of governors, and Shelly Sterling would not be approved.
It is not known whether Shelly Sterling intends to sell the team in its entirety, but that is the only way the NBA would accept the terms of this agreement between Donald Sterling and his wife, sources said.