6.5 The Committee refers to its established jurisprudence that, for purposes of the Optional Protocol, the author of a communication need not exhaust domestic remedies when these remedies are known to be ineffective.
6.5 委员会提到它已有的判例：就任择议定书来说，当已经知道国内补救办法无效的时候，来文提交人无需用尽国内补救办法。