A "decision notice" is a document that tells you the outcome or conclusion of a decision that has been made. It typically explains what decision was made and why it was made.
Sentences with «decision notice»
If HMRC refuse to change it, you should consider asking for the decision to be reviewed and maybe submitting an appeal when you get your final decision notice sent by HMRC. (politics.co.uk)
[No] decision notice has yet been issued and no alleged breaches have yet been put to the University for comment. (deepclimate.org)
In my opinion it was very wrong of the ICO spokesperson to be talking to anyone with the assumption that Jones had broken the law without an official decision notice having been published. (realclimate.org)