According to the Local Democracy Reporting Service, the leaders’ letter said: “We welcome this decision and share your ambition to strengthen local accountability and deliver improved outcomes for our communities.
The council leaders state they have met to discuss the implications and were “committed to working collaboratively to ensure a smooth and effective transition”.
The letter proposes a joint committee with representatives from each of the councils to plan the post-PCC future.
“This committee would work closely with your department and relevant stakeholders to oversee the transition process,” they wrote.
Plans to replace PCCs are still being discussed.
Some areas with a directly elected mayor could see police supervision moved under their control.
However, the Humberside force is geographically split between the Hull and East Yorkshire Combined Authority and the Greater Lincolnshire Combined Authority.