Mae cychwyniad y darpariaethau hyn yn gwahardd rhoi twll mewn rhan bersonol o gorff plant a phobl ifanc dan 18 oed yng Nghymru. Hefyd, mae bellach yn drosedd trefnu i gyflawni triniaeth o’r fath ar rywun dan 18 oed yng Nghymru. Mae deg rhan bersonol o’r corff wedi’u nodi yn y Ddeddf gan gynnwys tethi, bronnau, organau cenhedlu, ffolennau a thafod, ac mae hyn yn berthnasol i bob rhyw.
The commencement of these provisions prohibits the intimate piercing of children and young people under the age of 18 in Wales.  It is also now an offence to make arrangements to perform such a procedure on a person under the age of 18 in Wales. There are ten “intimate areas” specified within the Act including the nipples, breast, genitalia, buttocks and tongue, and these apply to all genders.