In which cases are people not obligated in an oath of testimony? What is the exact phraseology that can be used in order for it to be considered an oath of testimony for which one is obligated to bring a sacrifice? Does one need to include the name of God? Is a word that refers to God also considered using the name of God? The gemara tangents to places in the Tanach where it is unclear of a word is referencing God or someone else.