Taking into account one issue in Vietnam that refers to legal document, one might be confused when encountering phrases such as: law, resolution, decree, order, decision, circular… These phrases appear in regulation documents such as: Law on Enterprises No.60/2005/QH11 on 29 November 2005, Decree No.88/2006/ND-CP on 29 August 2006 on Business registration, Decision No.10/2007/QD-BTM on …