CBS and Nielsen have reached a new deal, ending an impasse that began at the start of the new year. Ratings measurement services returning to CBS and cable networks, effective immediately.

CBS and Nielsen are still at odds, and the house "Y&R" and "B&B" is ready to jump to rival ComScore with its Rentrak measurement service readily available.

CBS and Nielsen have failed to reach a new contract agreement, leaving the network scrambling to come up with a solution for advertisers.