The phrase "a shadow authority" is correct and usable in written English.
It can be used to describe an entity or individual that exerts influence or control without being officially recognized or authorized.
Example: "In the organization, there was a shadow authority that made decisions behind the scenes, often undermining the official leadership."
Alternatives: "unofficial power" or "covert authority".
That will require legislation for which there is no time in the coming parliamentary session; but, in his speech, the deputy prime minister promised to set up a "shadow authority" to make sure the various bits of the privatised industry work together rather better than they have done up to now.The burly Mr Prescott makes a convincing looking tough guy.
It first had elections in 1995 a year before it came into its powers as a shadow authority.
Known as the "Sons of Hadhramout," the council is billed as a grassroots movement but in practice is covertly run by AQAP, meaning the jihadists are now effectively a shadow authority in the district.
Without some kind of strong Government at Peking, the whole region north of the Yangtse-Kiang, over which the so-called Republican Government exercises not a shadow of authority, would be plunged into chaos.
Khodorkovsky claims to have had good relationships with every rank of prisoner — from the shadow "authorities" to the snitches.
One worry is that the lingering aura of a retired pope might cast a shadow over the authority of his successor, or even that a retired pope could exercise an active role in the choice of that successor.
Given that, Professor Schaede said, the elder Mr. Toyoda is believed by many in Japan to be acting as a "shadow shogun," wielding considerable authority behind the scenes, although he is not involved day to day.
He was unfortunate when Messi's cross rebounded off him for Suarez to open the scoring, but his positioning was poor for the second as the 28-year-old was a shadow of the figure of authority that has led City to two Premier League titles in the last three seasons.
He argues that, in the absence of outright political union, the European authorities are creating a "shadow state", with the European Council (of national leaders) as its government and the Eurogroup (of euro-zone finance ministers) as its executive.Even a banking union will involve some loss of sovereignty.
Toure is currently a shadow of the figure whose goals and influence drove City to the Premier League, and the sooner he rediscovers his old authority the better.
