2. If the details referred to in article 49(2)(a) (b),(i) and (j) are stated incorrectly or are parti­ally or wholly absent from an award, a party may, no later than 30 days after the date of deposit of an award referred to in article 50(1)(­b), request that the arbitral tribunal correct the mistake or omissi­on.

3. This request shall be submitted to the Administrator in writing, in five copies. The Administrator shall commu­nicate a copy of the request to the other party and to the arbitral tribunal.

4. The arbitral tribunal may, also on its own initiative, no later than 30 days after the date of deposit of an award referred to in article 50(1)(b­), make the rectification refer­red to in paragraph (1), or the correction referred to in paragraph (2).

5. In the event that the arbitral tribunal makes the rectifi­cation or correction, it shall record it in a separa­te docu­ment which shall be deemed to form part of the award. This document shall be made in four copies and shall con­tain: