Theological exegesis of the Bible
advances upon the assumption that the Nicene tradition, in all its diversity and controversy, provides the proper basis for the interpretation of the Bible as Christian Scripture.»
And if there is a clear conversation in
advance about what the
assumptions and expectations are, what the scope of work based
upon those
assumptions entails, what work might fall outside of the original scope and what circumstances might create that work, there should be no issue when the «unforeseen» actually does arise and no problem securing an additional fee.