This report provides an analysis of the Health Practitioners Competence Assurance Act (HPCAA) 2003, its scope, function, and significance in regulating healthcare professionals in New Zealand. The report highlights the importance of practicing within the scope of practice and being registered under the concerned authority. The report also analyzes the range of healthcare professionals covered under the act and their roles in healthcare delivery. The significance of the act in improving the overall quality of healthcare is emphasized.