The phrase "expanded mandate" is correct and usable in written English.
You can use it to refer to a situation when someone or something is given a larger scope of authority or responsibility than it had before. For example, "The company recently gave the CEO an expanded mandate to pursue new opportunities for growth."
Some Iraqi leaders greeted the resolution for the expanded mandate warily, as a potential encroachment on Iraqi sovereignty.
Under its expanded mandate, it would also regulate genetic engineering that could threaten livestock, the environment and public health, as well as organisms intended to control pests.
And besides, the Fed's expanded mandate of 1977, to promote "maximum employment, stable prices, and moderate long-term interest rates" has never made much economic sense, since the only thing the Fed can really affect is inflation.
Judges say their expanded mandate comes from the people, dating back to the struggle against the military rule of Gen. Pervez Musharraf that began in 2007, eventually helping to pry him from power.
An expanded mandate to investigate Wednesday's attack in eastern Ghouta – only 10 miles from the team's hotel – must be sought by the UN secretary general and then approved by Syria.
But despite an outwardly rosy picture, the agency still doesn't have the cash in hand it needs to fulfill an expanded mandate.
They should seriously consider expanded mandates and mergers to consolidate the quantity.
Critics (45) have highlighted the funding base of the NCD Alliance, comprised of major pharmaceutical and medical technology companies, all of whom would benefit enormously from expanded mandates for cancer, cardiovascular and risk factor screening and treatment.
The bank recently expanded its mandate to include countries like Tunisia that are trying to make the transition to democracy.
As part of its expanded energy mandate, the State Department hosted conferences on fracking from Thailand to Botswana.
In 2004, Congress expanded the mandate of the Nunn-Lugar program, which originally focused on dismantling warheads in former Soviet states, to include geographic regions like this one.
