( formal ) within the limits of what a person, an organization, etc. is responsible for; dealt with by a document, law, etc.
WITHIN / OUTSIDE THE PURVIEW OF STH
Meaning of WITHIN / OUTSIDE THE PURVIEW OF STH in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005