The Small intersessional working group (SIWG) Technical guidelines for the environmentally sound management of wastes consisting of elemental mercury and wastes containing or contaminated with mercury was established pursuant to paragraphs 3 and 4 of decision BC-14/8.
- The SIWG is open in nature and consists of members nominated by Parties from the five regional groups of the United Nations and is open to observers;
- The working language of the group shall be English and the group shall otherwise organize its working modalities according to the rules of procedure of the Basel Convention;
- The SIWG is operated by electronic means.