The legislation is designed to tackle nuisance from artificial light emanating from a premises which is excessive and affects someone in the use and enjoyment of their own property.
Lluniwyd y ddeddfwriaeth i fynd i'r afael â niwsans golau artiffisial gormodol sy'n deillio o safle, ac sy'n effeithio ar ddefnydd a mwynhad rhywun arall o'u heiddo.