This is the link... if true? Someone from France can tell us!
http://itthing.com/100-weird-laws-from-around-the-world (5 years and 971 days ago)
Sorry but I found that stupid law on a french website.
"Tout le monde doit avoir une botte de foin chez soi au cas oÃ¹ le roi passerait avec son cheval."
Which means :
"Everyone must have a bale of hay at home in case the king would pass with his horse" (5 years and 977 days ago)