In cuse of any doubt concerning the extent of a right or obligation resulting from Community law, you arc advised that only the tests of official legal instruments (treaties, regulations, directives, decisions, etc.} are authoritative.
Os oes gennych unrhyw amheuaeth yngiŷn â natur eich hawl neu'ch cyfrifoldeb o dan gyfraith y Gymuned, cofiwch mai dim ond y dogjennau cyfraith swyddogol (cytundebau, cyfeirebau, penderfyniadau ac alij sydd ag awdurdod.