The phrase "a new decree of" is correct and usable in written English.
It can be used when referring to a newly issued official order or decision, often in a governmental or organizational context.
Example: "The government announced a new decree of environmental regulations aimed at reducing pollution."
Alternatives: "a new order of" or "a new mandate of".
Karzai should issue a new decree of zero tolerance for poppy cultivation during the coming growing season.
In order to confuse his enemies, Louis issued a new decree of abdication, hedged with countless provisos, on November 19, 1333; this time he proposed to renounce the throne in favour of his Lower Bavarian cousin Henry.
He promoted a new decree of the Junta that called for trial and confiscation of goods for anyone that left the city without authorization, kept military weapons in secret, promoted popular alienation or discontent against the government, or wrote letters to people in other cities for such a purpose.
In 2006, Mr. Yudhoyono, in a new decree on "religious harmony," tightened criteria for building a house of worship.
Their announcements come after the league (the LFP) and the government put together a new decree to regulate the sale of TV rights, laying the foundation for a collective deal.
Italy has just issued a new decree increasing the amount of time an illegal migrant can be held from six months to a year and a half.
Under strong American pressure, the Russians have taken a number of steps, including a new decree by President Boris N. Yeltsin tightening controls on the export of missile know-how to Iran.
In 2000, a new decree was announced by the president of Mexico, but even after that, there was still illegal logging, with several hundred hectares of forest clear-cut.
And a new decree, published last month, speeds up the creation of a sectarian militia like that which opened fire against unarmed protesters in Libya.A year ago Mr Chávez assembled more than 30,000 uniformed, gun-toting militiamen and women for a parade in the centre of Caracas.
Fourth, in June 1999, the Ministry of Trade and Supply issued a new Decree banning the importation in that year of some food products from the EU that might be contaminated with dioxin.
On 10 November, the Italian government introduced a new decree with immediate effect--the DL 180--that amends certain aspects of the Legge 133/08 for 6 months, with the senate now pondering the passage of this new decree into a longer term law.
