Paragraph 5
The Committee shall not consider any communications from an individual under this article unless it has ascertained that:
(a)
The same matter has not been, and is not being, examined under another procedure of international investigation or settlement;
(b)
The individual has exhausted all available domestic remedies; this shall not be the rule where the application of the remedies is unreasonably prolonged or is unlikely to bring effective relief to the person who is the victim of the violation of this Convention.