The phrase "are handled jointly" is correct and usable in written English.
It can be used when describing a situation where multiple parties or elements are managed or dealt with together.
Example: "The resources from both departments are handled jointly to ensure efficiency and collaboration."
Alternatives: "are managed together" or "are dealt with collectively."
The signals from the road and traffic are handled jointly with the dynamic equations of the vehicle and built into the control design of reference speed.
The Times, which is controlled by the family of the publisher, Frank A. Blethen, and The Post-Intelligencer, which is owned by the Hearst Corporation, have separate newsrooms but their business functions are handled jointly by The Times, the senior partner of the two.
An IAAF statement said: "The Caster Semenya case is being handled jointly by the IAAF and representatives for Semenya in a satisfactory way.
The inquiry was expected to be handled jointly by two F.B.I. squads in the bureau's New York office, one that investigates cybercrimes and another that focuses on public corruption and white-collar crimes, two of the people said.
The next legal battle will be handled jointly by the Manhattan District Attorney's office and the New York State Organized Crime Task Force, which obtained an indictment accusing Gotti of ordering the shooting and wounding of a carpenter's union official in 1986.
Unlike the Discovery expedition, where fundraising was handled jointly by the Royal Society and the Royal Geographical Society, the Terra Nova Expedition was organised as a private venture without significant institutional support.
The sobering new warning could affect not just the behavior of current N.F.L. players and youth athletes, but also how retired players' claims of cognitive decline are handled under the disability plan operated jointly by the league and the players union.
The acquisition procedure focuses on the preliminary SFO (carrier frequency offset jointly), of which the fractional part and integer part are handled sequentially.
Control over economic affairs may be handled by the national government, the subnational unit, or jointly by both.
Complications can be handled.
The vocals, handled jointly by Shields and Butcher, are kept relatively low in the mix, and are for the most part highly pitched.
