In following the sustainable development principle, public bodies must follow the five ways of working by taking account of the factors described in the Act (the five ways of working).
Wrth ddilyn yr egwyddor datblygu cynaliadwy, rhaid i gyrff cyhoeddus ddilyn y pum ffordd o weithio drwy ystyried y ffactorau a ddisgrifir yn Neddf LlCD (y pum ffordd o weithio).