This is a list of post-nominal letters (letters after people's names) that have been nominated by orders from government, and letters from professional associations in Australia.
[1][3] Degree and diploma abbreviations are defined by the conferring university and vary from one to another.
Consult the awarding university for the approved abbreviation.
Some loose general rules and examples include: Fellowship, Membership and Associate Membership of Professional Institutions.
Certified Technologist (Cyber Security) [h][6] (a CT is also entitled to use the post-nominal of IP3T)[7] Certified Professional (Cyber Security) Certified Professional (Safety Critical Systems) [h][6] (a CP is also entitled to use the post-nominal of IP3P)[6][7] Australian Army Corps abbreviations (RAAC, RAE, RAInf, etc.)