The Well-being of Future Generations (Wales) Act 2015 sets out five ways of working that public bodies need to think about to show they have applied the sustainable development principle.
Mae Deddf Llesiant Cenedlaethau’r Dyfodol hefyd yn cynnwys pum ffordd o weithio sydd wedi’u bwriadu i ddangos arferion gorau ac i gefnogi llesiant cenedlaethau’r dyfodol.