interministerial

adj

Etymology: From inter- + ministerial.

1. Between ministers.

   “The increase followed a rise in science's political prominence: Last year, the prime minister himself took charge of an interministerial commission that oversees science policy and funding, and the government has also created a new Office of Science and Technology to bolster policy. "”

   “Gaining access to such maps means navigating through an interministerial bureaucratic procedure with at least 15 stages of negotiations.”

2. Between ministries.

   “"Inter-Ministerial" Conference on the 30th of September 2013 Palais d’Egmont-Brussels.”