The LDP and its supporting evidence, should take account of all relevant issues, and, where appropriate, make evidence-based decisions, where the Toolkit facilitates this approach.
Dylai'r CDLl a'i dystiolaeth ategol ystyried yr holl faterion perthnasol, a, lle y bo'n briodol, wneud penderfyniadau sy'n seiliedig ar dystiolaeth, lle mae'r Pecyn Cymorth yn hwyluso'r dull hwn.