The highest professional board for accountants is the Institute of Chartered Accountants of Zimbabwe (ICAZ) with direct relationships with similar bodies in South Africa, Canada, the UK and Australia. A qualified Chartered Accountant from Zimbabwe is also a member of similar bodies in these countries after writing a conversion paper. In addition, Zimbabwean-trained doctors only require one year of residence to be fully licensed doctors in the United States. The Zimbabwe Institution of Engineers (ZIE) is the highest professional board for engineers.