Mae’r Bil yn gwneud darpariaeth i:ailddatgan pŵer cyngor bwrdeistref sirol neu gyngor sir i wneud is-ddeddfau ar gyfer rheolaeth dda a llywodraeth a rhwystro ac atal niwsansau (Adran 2 o’r Bil);ailddatgan pŵer awdurdod deddfu (sy’n cynnwys awdurdod Parc Cenedlaethol yng Nghymru a Chyngor Cefn Gwlad Cymru yn ogystal â chynghorau bwrdeistref sirol, cynghorau sir a chynghorau cymuned) i ddirymu is-ddeddf pan na fo pŵer arall i wneud hynny ac yn ailddatgan pŵer Gweinidogion Cymru i ddirymu is-ddeddfau y mae’n ymddangos eu bod yn anarferedig (Adrannau 4 a 5);manylu ar y weithdrefn amgen ar gyfer is-ddeddfau nad oes gofyn i Weinidogion Cymru eu cadarnhau, a fydd yn berthnasol i’r is-ddeddfau a wneir o dan y deddfiadau a restrir yn Rhan 1 o Atodlen 1 (Adran 6);ailddatgan a diwygio’r weithdrefn ar gyfer is-ddeddfau y mae gofyn i Weinidogion Cymru eu cadarnhau (Adran 7);manylu ar y materion ffurfiol, cychwyn a chyhoeddi ar gyfer is-ddeddfau sy’n destun y weithdrefn amgen a’r weithdrefn gadarnhau (Adran 8);caniatáu i Weinidogion Cymru, drwy orchymyn, ddiwygio Rhan 1 a Rhan 2 o Atodlen 1 i’r Bil i dynnu neu ychwanegu at yr is-ddeddfau nad oes gofyn eu cadarnhau ac y gellir cyflwyno hysbysiadau cosb benodedig ar eu cyfer (Adran 9 ac 16);amlinellu’r fframwaith gorfodi o ran dirwyon; maint y dirwyon a’r pwerau ymafael mewn eiddo, ei gadw a’i fforffedu sydd ar gael er mwyn gorfodi is-ddeddfau penodol (Adrannau 10 ac 11);amlinellu’r drefn hysbysiadau cosb benodedig fel dull amgen o orfodi is-ddeddfau a wneir o dan y deddfiadau a restrir yn Rhan 2 o Atodlen 1 i’r Bil  (Adran 12 i 17);caniatáu i Weinidogion Cymru gyhoeddi canllawiau statudol ynghylch y gweithdrefnau ar gyfer gwneud is-ddeddfau, gorfodi is-ddeddfau ac unrhyw beth sy’n gysylltiedig â’r materion hyn (Adran 18);cynnwys dwy atodlen i’r Bil, mae’r gyntaf mewn dwy ran; mae rhan un o  Atodlen 1 yn rhestru’r deddfiadau y gwneir is-ddeddfau oddi tanynt yn unol â’r weithdrefn amgen ac mae rhan dau o Atodlen 1 yn rhestru’r deddfiadau y gellir gorfodi is-ddeddfau oddi tanynt drwy gyfrwng cosbau penodedig  (Atodlen 1 i’r Bil). Mae’r ail atodlen yn manylu ar yr holl fân ddiwygiadau a’r diwygiadau canlyniadol y mae’r Bil yn eu gwneud i ddeddfiadau eraill (Atodlen 2).
The Bill makes provision to:re-state the power of a county borough council or county council to make byelaws for good rule and government and the prevention and suppression of nuisances (Section 2 of the Bill);re-state the power of a legislating authority (which includes a National Park authority in Wales and the Countryside Council for Wales as well as county borough councils, county councils and community councils) to revoke a byelaw where there exists no other power to do so and restates the power of the Welsh Ministers to revoke byelaws that appear to have become obsolete (Sections 4 and 5);detail the alternative procedure for byelaws not requiring confirmation by the Welsh Ministers, which will apply to byelaws made under the enactments listed within Part 1 of Schedule 1 (Section 6);re-state and modify the procedure for byelaws requiring confirmation by the Welsh Ministers (Section 7);detail the formalities, commencement and publication of byelaws subject to both the alternative procedure and the confirmation procedure (Section 8);allow the Welsh Ministers, by order, to amend Part 1 and Part 2 of Schedule 1 to the Bill to add to or remove byelaws not requiring confirmation and that may be subject to fixed penalty notices (Section 9 and 16);set out the enforcement framework by way of fines; the scale of fines and the powers of seizure, retention and forfeiture of property which are available for the enforcement of certain byelaws (Sections 10 and 11);set out the fixed penalty notice regime as an alternative form of enforcing byelaws made under enactments listed within Part 2 of Schedule 1 to the Bill (Section 12 to 17);allow the Welsh Ministers to issue statutory guidance regarding the procedures for making byelaws, the enforcement of byelaws and anything related to these matters (Section 18);include two schedules to the Bill, the first is a two part schedule; Part one of Schedule 1 lists the enactments under which byelaws are to be made in accordance with the alternative procedure and part two of Schedule 1 lists the enactments under which byelaws may be enforced by means of fixed penalties ( Schedule 1 to the Bill).  The second schedule details all the minor and consequential amendments the Bill makes to other enactments (Schedule 2).