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4LL+CYm Mhennod 2 o Ran 3, ym mhennawd y bennod hepgorer “TRETHDALWR”.
Gwybodaeth Cychwyn
I1Atod. 23 para. 4 ddim mewn grym ar y Cydsyniad Brenhinol, gweler a. 81(2)
I2Atod. 23 para. 4 mewn grym ar 1.4.2018 gan O.S. 2018/34, ergl. 3