The Nurses' Professional Association of South Australia (NPASA) is a professional association. The Nurses' Professional Association of Australia (NPAA) is an industrial association whose principal purpose is to protect and promote the interests of members in matters concerning their employment or professional engagement. No membership fees are used to support any political party (including the ALP), so we are able to source and/or provide representation for all members, on all issues, better than our competitors. Savings of over $354 are just the beginning.