Terms for subject General containing at the discretion of

English	Russian
at someone's discretion, at the discretion of	на чьё-либо усмотрение (someone)
at the discretion of	на усмотрение (кого-либо)
at the discretion of	по инициативе (Johnny Bravo)
at the discretion of	по усмотрению (напр, an extra grant may be awarded in a few cases, at the discretion of the committee Olga Okuneva)
at the discretion of the directors	по решению совета директоров (Ремедиос_П)