"mandated within" is correct and can be used in written English.
You can use it to refer to a requirement that is imposed from within a particular group or organization. For example, you might say, "The school board mandated that all students must wear uniforms within the district."
This responsibility accords with the Organizations fisheries mandate within the UN System.
In 1920 Nauru became a mandated territory within the framework of the League of Nations.
Routine outcome measurement has been strongly mandated for within the allied health professions for at least the last twenty years [ 34].
"What boundaries around our own lives are we mandated to remain within?" asked Shriver.
What stories are "implicitly ours to tell," and what boundaries around our own lives are we mandated to remain within?
During the first year running the unit, Granahan almost lost her law license after the state Supreme Court threatened suspension if she did not complete mandated education credits within 30 days, the Allentown Morning Call reported.
Proposed: Stay the course in Iraq, create fifty-year peacekeeping force with open checkbook for restoring Lebanon as Paris of Middle East and raising two generations of Palestinians and Israelis within mandated co-existence, Jerusalem as an international open city.
Ensuring that service providers are held accountable for mandated service delivery within a respectful and rights-based environment is also required.
It is then likely to mandate that, within five years, any doctor or hospital receiving Medicare payment must be using electronic records.
The agreement also mandates that within the next month and a half the bank will submit an enhanced supervision program to regulators that includes the "identification and timely, accurate, and complete reporting of known or suspected criminal activity".
