The phrase "as its authority" is correct and usable in written English.
It can be used when referring to a source or figure that is recognized as having the power or right to make decisions or provide guidance on a particular matter.
Example: "The committee decided to follow the recommendations of the expert, citing him as its authority on the subject."
Alternatives: "as its expert" or "as its source of guidance".
The F.C.C., meanwhile, favors a level playing field, but it cannot impose one as long as its authority over broadband is in legal doubt.
The Security Council draft specifically invokes Chapter 7 as its authority.
Repudiating the finding would cripple the E.P.A.'s ability to enforce that agreement as well as its authority to require stronger standards in the future.
Lawmakers raised concerns about aspects of the president's plan as varied as its authority over the full Immigration and Naturalization Service and the role of the National Guard.
Mindful of the violence that characterized a prisoner uprising at Attica a dozen years earlier, Cuomo made clear that the state would act prudently as long as its authority was respected.
Questions were argued back and forth, and the final judgment given took as its authority the Code of Love, 31 rules of amorous entanglement, the origins of which are lost in obscurity.
Cetacean researchers regarded both proposals as a challenge to IWC's ban, as well as to its authority as the recognized international body for assessing and managing whale populations.
Thus, the regime "continues to control all religious activities through law and administrative oversight, restrict severely independent religious practice, and repress individuals and religious groups it view as challenging its authority".
That NSSF management felt that it was the best-qualified institution to run an SHI scheme [ 61], and it viewed the creation of an SHI as threatening its authority and influence.
I and other Ministers have been briefed in detail on the intelligence and are satisfied as to its authority.
The prime minister wrote in his foreword that [he] 'and other ministers have been briefed in detail on the intelligence as to its authority'.
