CARMBA is a member of The Australian Multiple Birth Association (AMBA). AMBA is a not-for-profit organisation comprising of multiple birth families. The organisation provides support, resources and education to multiple birth families. AMBA is active in increasing awareness of the unique needs of multiple birth families, improving the resources available to them and promoting the production and distribution of literature relating to multiple birth issues. AMBA is a grass-roots organisation, membership fees are collected at a local club level and affiliation fees fund state committees and national activities. Both levels exist to assist guide local clubs and to provide a framework for club activities.