this Convention and to inform the Committee, within a specified period of time, of measures taken, taking into account the urgency of the situation. The Committee shall inform the person submitting the urgent action request of its recommendations and of the information provided to it by the State as it becomes available. 4. The Committee shall continue its efforts to work with the State Party concerned for as long as the fate of the person sought remains unresolved. The person presenting the request shall be kept informed. Article 31 1. A State Party may at the time of ratification of this Convention or at any time afterwards declare that it recognizes the competence of the Committee to receive and consider communications from or on behalf of individuals subject to its jurisdiction claiming to be victims of a violation by this State Party of provisions of this Convention. The Committee shall not admit any communication concerning a State Party which has not made such a declaration. 2. The Committee shall consider a communication inadmissible where: (a) The communication is anonymous; (b) The communication constitutes an abuse of the right of submission of such communications or is incompatible with the provisions of this Convention; (c) The same matter is being examined under another procedure of international investigation or settlement of the same nature; or where (d) All effective available domestic remedies have not been exhausted. This rule shall not apply where the application of the remedies is unreasonably prolonged. 3. If the Committee considers that the communication meets the requirements set out in paragraph 2 of this article, it shall transmit the communication to the State Party concerned, requesting it to provide observations and comments within a time limit set by the Committee. 4. At any time after the receipt of a communication and before a 58