Administrative law
A contracting officer's agreement to obtain and evaluate evidence bearing on the manner of the ending of a contract makes the earlier decision non-final, and the period to challenge the decision runs from the officer's subsequent final judgment.
http://www.cafc.uscourts.gov/sites/default/files/opinions-orders/15-5058.Opinion.1-6-2016.1.PDF
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.