under the authority of

idiom

Definition of under the authority of

: with the permission of (someone in power) He was acting under the authority of the company president.

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“Under the authority of.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/under%20the%20authority%20of. Accessed 30 Nov. 2020.

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