A yw Deddf Rheoli Llifogydd a Dŵr 2010, a ddaeth i rym yn 2015 yn gymwys i ddim ond tenantiaethau sy'n dechrau ar neu ar ôl 1 Ionawr 2015?
Wedi'i ateb gan Ysgrifennydd y Cabinet dros Gymunedau a Phlant | Wedi'i ateb ar 14/12/2016
The Water Industry (Undertakers Wholly or Mainly in Wales) (Information about Non-owner Occupiers) Regulations 2014, apply to all tenancies including those which commenced before 1 January 2015, and places a requirement on owners to register all their tenants' details with the water company from 1 January 2015.