An important Montreal Protocol issue that is currently being discussed and will need to be carefully considered in light of the HCFC phase-out Management Plans (HPMP) second or third stages, which are now being prepared and submitted to the Executive Committee, is that of the HCFC ‘Servicing tail’. To avoid any unforeseen challenges in the future, it is crucial that all countries have a good understanding of their likely requirements and plans regarding the HCFC ‘servicing tail’ when preparing for and drafting their Stages II and III. The brief aims to provide clarity about the main points and issues related to the issue.