Abstract: This report records MUSE partners’ contributions to international standardisation related to MUSE task force on “First Mile Systems” work in 2006 and 2007, and summarises the outcomes. Contributions mainly covered DSL issues and were forwarded to the DSL Forum Test & Interoperability working group, ETSI TM6, ITU-T SG15/Q4. There are also contributions on XL-PON that give guidance for future work in FSAN.