Once a person is lawfully within a State, any restrictions on his or her rights guaranteed by article 12, paragraphs 1 and 2, as well as any treatment different from that accorded to nationals, have to be justified under the rules provided for by article 12, paragraph 3.
同时，依照该条受到保护的权利的这个或那个方面—— 例如享受某一种特定文化—— 可能是同领土和资源的使用密切相关的一种生活方式。