S is employed within the accounting function of a small company.

S is employed within the accounting function of a small company. Due to the size of the company, there are not enough resources for separate accounting functions so S is responsible for both management and financial accounting tasks. As the company is so small there is no requirement for audit. However it does make use of the services of an external certified accountant for statutory accounting and taxation services. According to Mintzberg, in which part of the organisation does the external accountant belong?