3. Daw’r darpariaethau a ganlyn o’r Ddeddf i rym ar 29 Awst 2025—
(a)adran 61 (dynodi unigolyn at ddibenion adran 58(3));
(b)adran 77 (hysbysiadau stop);
(c)adran 82(1) i (4) (troseddau);
(d)adran 85 (gwarant i fynd i mewn i annedd).