This short guide explains the decision making powers available to a Project Manager under and NEC 3 contract. The Project Manager (PM) in the NEC 3 Contract documents is frequently caught in a real bind. Among the large number of functions both great and small are those, which call upon him to decide matters of opinion and do so founded on independence of mind. Tony Bingham takes a look at some of the options available to the parties involved to avoid tricky issues of bias and conflicts of interest.