Recalling decisions IX/24, X/8, XI/19 and XIII/5 of the Meeting of the Parties pertaining to new substances,

Noting that the Scientific Assessment Panel has developed procedures for assessing the ozone‑depletion potential of new substances,

1. To invite parties in a position to do so to provide environmental assessments of RC‑316c (1,2-dichloro-1,2,3,3,4,4-hexafluorocyclobutane, CAS 356-18-3), a chlorofluorocarbon not controlled by the Montreal Protocol, and any guidance on practices that can reduce intentional releases of the substance;
2. To request the Scientific Assessment Panel to conduct a preliminary assessment of RC‑316c and report to the Open-ended Working Group at its thirty-third meeting on the ozone‑depletion potential and global-warming potential of the substance and other factors that the Panel deems relevant;