Yn rhinwedd paragraff(au) 17 Atodlen 12A o Ddeddf Llywodraeth Leol 1972 fel y'i diwygiwyd gan Orchymyn Llywodraeth Leol (Mynediad at Wybodaeth) (Amrywiad) (Cymru) 2007.
Gwybodaeth sy'n datgelu bod yr awdurdod yn bwriadu -
Amod:
Information is exempt to the extent that, in all the circumstances of the case, the public interest in maintaining the exemption outweighs the public interest in disclosing the information.
Information is not exempt if it relates to proposed development for which the local planning authority may grant itself planning permission pursuant to Regulation 3 of the Town & Country Planning General Regulations 1992.