Key points
ACRA requires a five-digit code for the primary activity and, where applicable, a code for the secondary activity. During name reservation, search by a keyword and select the description that best matches what the business will do. The Department of Statistics maintains the classification system.
Planning your next steps
The page also directs applicants to the GoBusiness startup e-Adviser to explore codes before filing. For practical preparation, write a plain description of the main revenue-generating activity, compare the available descriptions and distinguish the primary activity from supporting work. The code selection should reflect the intended business rather than be chosen solely because a familiar label appears in search results.
Official source
A concise, independent Apex Gateway guide based on the official English source, not a reproduction of the complete document. Consult the original for full conditions, exceptions and subsequent updates.
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