on notice
Informed or warned about something.
He was put on notice about lateness.
We are all on notice about likely layoffs.
The Obama administration is on notice - they will not be allowed to regulate what they have been unable to legislate. Fred Upton
Moreover, from reforming the tax code to our immigration system, to commonsense legal reform, President Bush put America on notice that he will continue fighting to make the country, and the world, a better place for future generations. Jim Sensenbrenner
President Roosevelt's leadership put the world on notice that the United States of America - with the freest, most dynamic economy the world had ever seen - was open for business. John Hoeven
When I resigned, I put the U.S. Government on notice that I'm going to stick to policy issues, that I have no intention of going out and blowing the cover off of the intelligence operations, that those are truly sensitive and they should not be exposed. Scott Ritter