Terms containing in sole discretion

Subject	English	Russian
law	in AA's sole discretion	по единоличному усмотрению AA (Violation of these Terms of Use may, in ABC's sole discretion, result in termination of your ABC account. ART Vancouver)
gen.	in its sole and absolute discretion	на своё полное усмотрение (Johnny Bravo)
law	in its sole discretion	по своему единоличному усмотрению (Евгений Тамарченко)
formal	in its sole discretion	по своему усмотрению ("In most situations *at* is the most common usage. But *in* is also correct and seems to be in wide use. So I'd say they are interchangeable, with the first being the obviously preferred choice and the second less so, but still grammatical." See examples of both: "The company has the right, at its sole discretion, to ... • will be determined by the Company in its sole discretion." stackexchange.com ART Vancouver)
law	in its sole discretion and at its own expense	самостоятельно и за свой счёт (triumfov)
law	in our sole and absolute discretion	исключительно и полностью по своему усмотрению (Leonid Dzhepko)
law	in one's sole discretion	на своё усмотрение (Alexander Matytsin)
law	in one's sole discretion	в одностороннем порядке (Амбарцумян)
law	in one's sole discretion	по своему усмотрению (Alexander Matytsin)
law	in one's sole discretion	самостоятельно (Alexander Matytsin)
gen.	in the sole discretion of	на усмотрение (Ремедиос_П)
gen.	in the sole discretion of	по усмотрению (Ремедиос_П)