According to Luxembourgish legislation, law of September 16, 1993 (text in French)archive copy at the Wayback Machine, the coat of arms of the Grand Duchy of Luxembourg can be used without restraint if not for the following cases:
fraud
commercial, industrial, professional, advertising purposes with exception of those defined by law.
{{Information |Description=Large coat of arms of Henri I, Grand Duc of Luxembourg. |Source=Text on the coat of arms of the royal familiy of Luxembourg published by the government of Luxembourg [http://www.gouvernement.lu/publications/grandduc/apropos_armo
{{Information |Description=Large coat of arms of Henri I, Grand Duc of Luxembourg. |Source=Text on the coat of arms of the royal familiy of Luxembourg published by the government of Luxembourg [http://www.gouvernement.lu/publications/grandduc/apropos_armo