The Housing Act (Wales) 2014 gives local authorities powers to charge a council tax premium on long-term empty homes and second homes in their areas from 1 April 2017.
Mae Deddf Tai (Cymru) 2014 yn rhoi pwerau i awdurdodau lleol godi premiwm y dreth gyngor ar dai gwag tymor hir ac ail gartrefi yn eu hardaloedd o 1 Ebrill 2017.