MASER is a National Observation Action candidate of INSU (Institut National des Sciences de l’Univers). It is supported and hosted by PADC (Paris Astronomical Data Centre) and LESIA (Laboratoire d’Etudes Spatiales et Instrumentation en Astrophysique). The MASER team also asks to be part of the CDPP (Centre de Données de la Physique des Plasmas) National Thematic Group.