‹ MIR-3.1.2A MIR-3.1.3 › MIR-3.1.2B Whether a person is a head of function will depend on the nature, scale and complexity of the function and is not determined by the presence or absence of the word in their job title. Added: July 2016 ‹ MIR-3.1.2A MIR-3.1.3 ›