The SIA is a mandatory membership organization for certified auditors and certified appraisers with a mandate based on the Auditing Act. Aspiring professionals planning to hold the title of certified auditor or certified appraiser are required to register with SIA. The institute is responsible for a large range of activities including education and organization of professional education and examinations; development and monitoring of initial and continuing professional development requirements; licensing and registration of certified auditors and appraisers; and establishment of a quality assurance review system and an investigative and discipline system for its members. Apart from IFAC membership, SIA is also a member of Accountancy Europe and the International Valuation Standards Council.