also: ないし
noun, noun or participle which takes 'suru', transitive verb
unofficial announcement; informal notice; private notification
Used in organizational contexts for advance, off-the-record communication of decisions before formal announcement. Often implies internal, confidential, or preliminary notice.
人事異動の内示が来週あるらしい。
It seems there will be an unofficial announcement of personnel transfers next week.
部長からプロジェクトの予
I received an informal notice from the department head about the project budget.