AIM 5-5-10

Pilot. Acknowledges receipt of traffic advisories.

Informs controller if traffic in sight.

Advises ATC if a vector to avoid traffic is desired.

Does not expect to receive radar traffic advisories on all traffic. Some aircraft may not appear on the radar display. Be aware that the controller may be occupied with higher priority duties and unable to issue traffic information for a variety of reasons.

Advises controller if service is not desired.

Controller. Issues radar traffic to the maximum extent consistent with higher priority duties except in Class A airspace.

Provides vectors to assist aircraft to avoid observed traffic when requested by the pilot.

Issues traffic information to aircraft in the Class B, Class C, and Class D surface areas for sequencing purposes.

Controllers are required to issue traffic advisoriesto each aircraft operating on intersecting or nonintersecting converging runways where projected flight paths will cross.