(1)Mae DCPhG 2004 wedi ei diwygio fel a ganlyn.
(2)Yn adran 61 (arolwg), yn is-adran (2)(a), ar ôl “area of the authority” mewnosoder “(including the extent to which the Welsh language is used in the area)”.
(3)Yn adran 62 (cynllun datblygu lleol), ar ôl is-adran (6) (arfarniad o gynaliadwyedd), mewnosoder—
“(6A)The appraisal must include an assessment of the likely effects of the plan on the use of the Welsh language in the area of the authority.”