The final statement also noted that ministers had reaffirmed "their commitment to co-operate closely on exchange markets".

'While not aspiring to any 'leading role', we are conscious of our responsibility to co-operate closely with all independent states,' the declaration said.

In practice the two countries co-operate closely in the management of the strait's resources.

All three bodies co-operate closely on professional matters, and issue joint handbooks.

In 1998, both states signed the Belfast Agreement and now co-operate closely to find a solution to the region's problems.

A central bank will usually co-operate closely with the banking system when developing the facilities it operates.

Often the Army requested one or two aircraft to be temporarily attached to particular army units to closely co-operate with ground troops.

MPs of both parties co-operate closely with each other.

For example, both clubs closely co-operate in the Highland Football Academy.

They also co-operate closely in policy and planning, and undertake joint training and exercises.