be seized of

Verb

 * 1) To remain in consideration of a matter.
 * 2) To reserve the right to reconsider a matter, as in a deliberative assembly.
 * Decides to remain seized of the matter

Usage notes

 * Used in the resolutions of an assembly, most commonly in the Security Council of the United Nations. In this context, it means that, while the Security Council is seized of a matter, no other organ of the United Nations may legally take it up, as under Article 12 of the UN Charter.
 * May also be written as "actively seized of" with identical meaning.

Related terms
seize