techiaith/legislation-gov-uk_en-cy huggingface dataset:
In relation to a review to be conducted under section 29, before conducting the review, the Commission must also consult the mandatory consultees on its intended procedure and methodology for the review and, in particular, on how it proposes to determine the appropriate number of members for any principal council in the principal area or areas under review.
O ran adolygiad sydd i'w gynnal o dan adran 29, cyn cynnal yr adolygiad, rhaid i'r Comisiwn hefyd ymgynghori â'r ymgyngoreion gorfodol ynghylch y weithdrefn a'r fethodoleg a fwriedir ar gyfer yr adolygiad ac, yn benodol, sut y mae'n bwriadu penderfynu nifer priodol yr aelodau ar gyfer unrhyw brif gyngor yn y brif ardal neu'r ardaloedd sydd dan adolygiad.
For the purposes of this Part, the "mandatory consultees" are -
At ddibenion y Rhan hon, yr "ymgyngoreion gorfodol" yw -
any local authority affected by the review,
unrhyw awdurdod lleol y mae'r adolygiad yn effeithio arno,
except in relation to a review under section 28 (reviews of seaward boundaries), the police and crime commissioner for any police area which may be affected by the review,
ac eithrio mewn perthynas ag adolygiad o dan adran 28 (adolygu ffiniau tua'r môr), comisiynydd heddlu a throsedd ar gyfer unrhyw ardal heddlu y gall yr adolygiad effeithio arni,
except where the review is (or is to be) conducted by it, the Commission,
ac eithrio pan fo'r adolygiad yn cael ei gynnal (neu i'w gynnal) ganddo ef, y Comisiwn,
any organisation representing the staff employed by local authorities which has asked to be consulted, and
unrhyw gorff sy'n cynrychioli'r staff a gyflogir gan awdurdodau lleol sydd wedi gofyn am ymgynghoriad â hwy, a
such other persons as may be specified by order made by the Welsh Ministers.
unrhyw bersonau eraill a bennir drwy orchymyn a wneir gan Weinidogion Cymru.
Subsection (1) does not apply to a review conducted by the Commission in the circumstances described in section 26 (2) (b) (ii) or (iii).
Nid yw is-adran (1) yn gymwys i adolygiad a gynhelir gan y Comisiwn yn yr amgylchiadau a ddisgrifir yn adran 26 (2) (b) (ii) neu (iii).
35 Consultation and investigation
35 Ymgynghori ac ymchwilio
In conducting a review under this Part, the Commission or, as the case may be, a principal council ("the reviewing body") must -
Wrth gynnal adolygiad o dan y Rhan hon, rhaid i'r Comisiwn neu, yn ôl y digwydd, brif gyngor ("y corff adolygu") -
consult the mandatory consultees and such other persons as it considers appropriate, and
ymgynghori â'r ymgyngoreion gorfodol a'r personau eraill hynny y mae o'r farn eu bod yn briodol, a
conduct such investigations as it considers appropriate.
cynnal yr ymchwiliadau hynny y mae o'r farn eu bod yn briodol.
After carrying out the consultation and investigations under subsection (1), the reviewing body must prepare a report containing -
Ar ôl cynnal yr ymgynghoriad a'r ymchwiliadau o dan is-adran (1), rhaid i'r corff adolygu lunio adroddiad sy'n cynnwys -
any proposals for change it considers appropriate or, if it does not consider any change appropriate, a proposal to that effect,
unrhyw gynigion ar gyfer newid y mae o'r farn eu bod yn briodol neu, os yw o'r farn nad oes unrhyw newid yn briodol, cynnig i'r diben hwnnw,
details of the review it conducted.
manylion o'r adolygiad y mae wedi ei gynnal.
publish the report electronically,
cyhoeddi'r adroddiad yn electronig,
secure that the report is available for inspection (without charge) at the offices of any principal council with an interest in the review for the duration of the period for representations,
sicrhau bod yr adroddiad ar gael i edrych arno (yn ddi-dâl) yn swyddfeydd unrhyw brif gyngor sydd â buddiant yn yr adolygiad ar hyd y cyfnod ar gyfer sylwadau,
send copies of the report to the Welsh Ministers and the mandatory consultees,
anfon copïau o'r adroddiad at Weinidogion Cymru a'r ymgyngoreion gorfodol,
inform any other person who submitted evidence to the reviewing body how to obtain a copy of the report, and
hysbysu unrhyw berson arall a gyflwynodd dystiolaeth i'r corff adolygu sut i gael copi o'r adroddiad, ac
invite representations and notify the persons mentioned in (c) and (d) of the period for representations.
gwahodd sylwadau a hysbysu'r personau a grybwyllir yn (c) a (d) am y cyfnod ar gyfer sylwadau.
For the purpose of subsection (3), the "period for representations" is a period of not less than 6, nor more than 12, weeks (as determined by the reviewing body) beginning no earlier than one week after notice of the period is given.
At ddibenion is-adran (3), y "cyfnod ar gyfer sylwadau" yw cyfnod nad yw'n llai na 6 wythnos, nac yn hwy na 12 wythnos (fel a benderfynir gan y corff adolygu) yn dechrau dim cynt nag un wythnos ar ôl rhoi hysbysiad am y cyfnod.
For the purposes of this section, a principal council has an interest in a review if -
At ddibenion yr adran hon, mae gan brif gyngor fuddiant mewn adolygiad -
it is the reviewing body,
os ef yw'r corff adolygu,
its area is under review,
os yw ei ardal dan adolygiad,
In this section and section 36 a reference to a proposal for change is a reference to any change that the reviewing body may recommend or make (including consequential change) in relation to the type of review being conducted.
Yn yr adran hon ac yn adran 36 mae cyfeiriad at gynnig newid yn gyfeiriad at unrhyw newid y caiff y corff adolygu ei argymell neu ei wneud (gan gynnwys newid canlyniadol) mewn perthynas â'r math o adolygiad sy'n cael ei gynnal.
36 Reporting on review
36 Adrodd ar yr adolygiad
The Commission or, as the case may be, a principal council ("the reviewing body") must, after the period for representations under section 35 (3) has ended, consider its proposals for change having regard to any representations received by it during the period.
Rhaid i'r Comisiwn neu, yn ôl y digwydd, brif gyngor ("y corff adolygu"), ar ôl i'r cyfnod ar gyfer sylwadau o dan adran 35 (3) ddod i ben, ystyried ei gynigion i newid gan roi sylw i unrhyw sylwadau a gafwyd ganddo yn ystod y cyfnod.
The reviewing body must then prepare a further report.
Yna rhaid i'r corff adolygu lunio adroddiad pellach.
Except in relation to a review under section 31, the report must contain -
Ac eithrio mewn perthynas ag adolygiad o dan adran 31, rhaid i'r adroddiad gynnwys -
any recommendation for change which the reviewing body considers appropriate or, if it does not consider any change appropriate, a recommendation to that effect,
unrhyw argymhelliad i newid y mae'r corff adolygu o'r farn ei fod yn briodol, neu os yw o'r farn nad oes unrhyw newid yn briodol, argymhelliad i'r diben hwnnw,
Where the review is under section 31, the report must contain -
Pan fo adolygiad o dan adran 31, rhaid i'r adroddiad gynnwys -
the changes the reviewing body intends to make to the electoral arrangements for the community under review, or if it does not consider that any such change is appropriate, a statement to that effect,
y newidiadau y mae'r corff adolygu yn bwriadu eu gwneud i'r trefniadau etholiadol ar gyfer y gymuned dan adolygiad, neu os yw o'r farn nad yw newid o'r fath yn briodol, ddatganiad i'r diben hwnnw,
details of any changes to the proposals made in light of the representations it received and an explanation of why those changes have been made.
manylion unrhyw newidiadau i'r cynigion a wnaed yng ngoleuni'r sylwadau a gafodd ac esboniad paham y gwnaed y newidiadau hynny.
submit the report and its recommendations to the appropriate implementing authority (except where it is the implementing authority),
cyflwyno'r adroddiad a'i argymhellion i'r awdurdod gweithredu priodol (ac eithrio pan ef yw'r awdurdod gweithredu),
publish the report electronically and secure that it is available for inspection (without charge) at the offices of any principal council with an interest for a period of at least 6 weeks beginning with the date of publication,
cyhoeddi'r adroddiad yn electronig a sicrhau ei fod ar gael i edrych arno (yn ddi-dâl) yn swyddfeydd unrhyw brif gyngor sydd â buddiant am gyfnod sydd o leiaf yn 6 wythnos yn dechrau ar ddyddiad y cyhoeddi,
send a copy of the report to the mandatory consultees, Ordnance Survey and (unless they are the implementing authority) the Welsh Ministers,
anfon copi o'r adroddiad at yr ymgyngoreion gorfodol, yr Arolwg Ordnans ac (onid hwy yw'r awdurdod gweithredu) at Weinidogion Cymru,
inform any other person who submitted evidence or made representations in relation to the report published under section 35 how to obtain a copy of the report.
hysbysu unrhyw berson arall a gyflwynodd dystiolaeth neu a wnaeth sylwadau mewn perthynas â'r adroddiad a gyhoeddwyd o dan adran 35 sut i gael copi o'r adroddiad.
For the purposes of subsection (5), the "appropriate implementing authority" is -
At ddibenion is-adran (5), yr "awdurdod gweithredu priodol" yw -
in relation to a review under section 23, the Welsh Ministers and, in a case where the Commission are making a recommendation for change to a police area, the Secretary of State (in so far as relating to that change);
mewn perthynas ag adolygiad o dan adran 23, Gweinidogion Cymru ac, mewn achos pan fo'r Comisiwn yn argymell newid i ardal heddlu, yr Ysgrifennydd Gwladol (i'r graddau y mae'n ymwneud â'r newid hwnnw);
in relation to a review under section 25, the Commission;
mewn perthynas ag adolygiad o dan adran 25, y Comisiwn;
in relation to a review under section 26, 27, 28 or 29, the Welsh Ministers;
mewn perthynas ag adolygiad o dan adran 26, 27, 28 neu 29, Gweinidogion Cymru;
in relation to a review under section 32, the principal council of the community which has been the subject of the review.
mewn perthynas ag adolygiad o dan adran 32, prif gyngor y gymuned a fu'n destun yr adolygiad.
Where the principal council submits a report to the Commission in relation to a review under section 25, the Commission is not to be treated as a mandatory consultee for the purposes of subsection (5) (c).
Pan fo prif gyngor yn cyflwyno adroddiad i'r Comisiwn mewn perthynas ag adolygiad o dan adran 25, nid yw'r Comisiwn i gael ei drin fel ymgynghorai gorfodol at ddibenion is-adran (5) (c).
For the purposes of this section a principal council has an interest in a review if -
At ddibenion yr adran hon mae gan brif gyngor fuddiant mewn adolygiad -
it is the reviewing body;
os ef yw'r corff adolygu;
its area is under review;
os yw ei ardal dan adolygiad;
In this section, a reference to a recommendation for change is a reference to any change that the reviewing body may recommend or make (including consequential change) in relation to the type of review being conducted.
Yn yr adran hon mae cyfeiriad at argymhelliad i newid yn gyfeiriad at unrhyw newid y caiff y corff adolygu ei argymell neu ei wneud (gan gynnwys newid canlyniadol) mewn perthynas â'r math o adolygiad sy'n cael ei gynnal.
CHAPTER 5 IMPLEMENTATION FOLLOWING REVIEW
PENNOD 5 GWEITHREDU YN DILYN ADOLYGIAD
Implementation by the Welsh Ministers
Gweithredu gan Weinidogion Cymru
37 Implementation by the Welsh Ministers
37 Gweithredu gan Weinidogion Cymru
The Welsh Ministers may, after receiving a report containing recommendations from the Commission in relation to a review conducted under section 23, 26, 27, 28 or 29, or a request for implementation of its recommendations under section 39 (7) -
Caiff Gweinidogion Cymru, ar ôl iddynt gael adroddiad sy'n cynnwys argymhellion oddi wrth y Comisiwn mewn perthynas ag adolygiad a gynhaliwyd o dan adran 23, 26, 27, 28 neu 29, neu gais am weithredu ei argymhellion o dan adran 39 (7) -
by order implement any recommendation, with or without modification, or
drwy orchymyn weithredu unrhyw argymhelliad, gydag addasiadau neu hebddynt, neu
decide to take no action.
penderfynu peidio â gweithredu.
But the Welsh Ministers may only implement a recommendation with modification if -
Er hynny, ni chaiff Gweinidogion Cymru weithredu argymhelliad gydag addasiadau oni bai ei fod -
in a case involving recommendations for change to electoral arrangements for a principal area, they have considered the matters described in section 30 and are satisfied that it is appropriate to make the modification,
mewn achos sy'n ymwneud ag argymhellion i newid trefniadau etholiadol ar gyfer prif ardal, os ydynt wedi ystyried y materion a ddisgrifir yn adran 30 ac wedi eu bodloni ei bod yn briodol i wneud yr addasiad,
in a case involving recommendations for change to electoral arrangements for a community, they have considered the matters described in section 33 and are satisfied that it is appropriate to make the modification, and
mewn achos sy'n ymwneud ag argymhellion i newid trefniadau etholiadol ar gyfer cymuned, os ydynt wedi ystyried y materion a ddisgrifir yn adran 33 ac wedi eu bodloni ei bod yn briodol i wneud yr addasiad, ac
in any case, they are satisfied that the modification is in the interests of effective and convenient local government.
mewn unrhyw achos, os ydynt wedi eu bodloni bod yr addasiad er lles llywodraeth leol effeithiol a chyfleus.
No order may be made under subsection (1) (a) until the expiry of a period of 6 weeks beginning with the date on which the Welsh Ministers receive the recommendations.
Ni chaniateir gwneud gorchymyn o dan is-adran (1) (a) nes bod y cyfnod o 6 wythnos sy'n dechrau ar y dyddiad y cafodd Gweinidogion Cymru yr argymhellion wedi dod i ben.
The Commission must provide the Welsh Ministers with such further information in relation to its recommendations as the Welsh Ministers may reasonably require.
Rhaid i'r Comisiwn roi'r wybodaeth bellach honno i Weinidogion Cymru mewn perthynas â'i argymhellion fel y bo Gweinidogion Cymru yn ei gwneud yn rhesymol ofynnol.
Non-ministerial implementation
Gweithredu anweinidogol
38 Implementation of community boundary change
38 Gweithredu newid i ffin cymuned
The Commission may, after receiving a report containing recommendations for change from a principal council in relation to a review conducted under section 25 -
Caiff y Comisiwn, ar ôl iddo gael adroddiad yn cynnwys argymhellion i newid oddi wrth brif gyngor mewn perthynas ag adolygiad a gynhaliwyd o dan adran 25 -
by order implement the recommendations with such modification as may be agreed with the principal council, or
drwy orchymyn weithredu'r argymhellion gyda'r addasiadau hynny y mae'r prif gyngor yn cytuno arnynt, neu
in the circumstances described in section 26 (2) (b) (ii) or (iii), conduct its own review.
yn yr amgylchiadau a ddisgrifir yn adran 26 (2) (b) (ii) neu (iii), gynnal ei adolygiad ei hun.
No order may be made under subsection (1) until the expiry of a period of 6 weeks beginning with the date on which the Commission receives the principal council's recommendations.
Ni chaniateir gwneud gorchymyn o dan is-adran (1) nes bod y cyfnod o 6 wythnos sy'n dechrau ar y dyddiad y cafodd y Comisiwn argymhellion y prif gyngor wedi dod i ben.
An order under subsection (1) which contains changes to the electoral arrangements of a principal area may be made only with the consent of the Welsh Ministers.
Dim ond gyda chydsyniad Gweinidogion Cymru y caniateir gwneud gorchymyn o dan is-adran (1) sy'n cynnwys newidiadau i drefniadau etholiadol prif ardal.
The principal council which made the recommendations must provide the Commission with such further information in relation to the recommendations or the procedure followed as it may reasonably require.
Rhaid i'r prif gyngor a wnaeth yr argymhellion roi i'r Comisiwn yr wybodaeth bellach honno mewn perthynas â'r argymhellion neu'r weithdrefn a ddilynwyd fel y bo Gweinidogion Cymru yn ei gwneud yn rhesymol ofynnol.
39 Implementation of community electoral arrangements change
39 Gweithredu newid i drefniadau etholiadol cymuned
A principal council may by order implement the changes described in a report prepared by the council under section 36 (4).
Caiff prif gyngor, drwy orchymyn, weithredu'r newidiadau a ddisgrifir mewn adroddiad a luniwyd gan y cyngor o dan adran 36 (4).
No order may be made under subsection (1) until the expiry of a period of 6 weeks beginning with the date on which the principal council published its report.
Ni chaniateir gwneud gorchymyn o dan is-adran (1) tan ddiwedd cyfnod o 6 wythnos sy'n dechrau ar y dyddiad y cyhoeddodd y prif gyngor ei adroddiad.
A principal council may, after receiving a report containing recommendations for change from the Commission in relation to a review under section 32 -
Caiff prif gyngor, ar ôl cael adroddiad sy'n cynnwys yr argymhellion ar gyfer newid oddi wrth y Comisiwn mewn perthynas ag adolygiad o dan adran 32 -
by order implement the recommendations with such modification as may be agreed with the Commission,
drwy orchymyn weithredu'r argymhellion gyda'r addasiadau hynny y cytunir arnynt â'r Comisiwn,
decide to take no action and notify the Commission accordingly.
penderfynu peidio â gweithredu a hysbysu'r Comisiwn yn unol â hynny.
No order may be made under subsection (3) until the expiry of a period of 6 weeks beginning with the date on which the council receives the report.
Ni chaniateir gwneud gorchymyn o dan is-adran (3) tan ddiwedd cyfnod o 6 wythnos sy'n dechrau ar y dyddiad y mae'r cyngor yn cael yr adroddiad.
An order under subsection (1) or (3) which contains changes to the electoral arrangements of a principal area may be made only with the consent of the Welsh Ministers.
Dim ond gyda chydsyniad Gweinidogion Cymru y caniateir gwneud gorchymyn o dan is-adran (1) neu (3) sy'n cynnwys newidiadau i drefniadau etholiadol prif ardal.
Subsection (7) applies where -
Mae is-adran (7) yn gymwys -
the principal council has notified the Commission that it does not intend to take any action in respect of the recommendations, or
pan fo'r prif gyngor wedi hysbysu'r Comisiwn nad yw'n bwriadu gweithredu mewn cysylltiad â'r argymhellion, neu
the principal council has not made an order (with or without modification) within the period of 6 months beginning with the date on which the council received the Commission's recommendations.
pan na fo'r prif gyngor wedi gwneud gorchymyn (gydag addasiadau neu hebddynt) o fewn y cyfnod o 6 mis sy'n dechrau ar y dyddiad y cafodd y cyngor argymhellion y Comisiwn.
The Commission may request the Welsh Ministers implement the recommendations under section 37.
Caiff y Comisiwn ofyn i Weinidogion Cymru weithredu'r argymhellion o dan adran 37.
Further provision about implementation and implementation orders
Darpariaeth bellach ynghylch gweithredu a gorchmynion gweithredu
40 Implementation orders: consequential provision
40 Gorchmynion gweithredu: darpariaeth ganlyniadol
An order made by the Welsh Ministers, the Commission or a principal council under section 37, 38, 39 or 43 may make such incidental, consequential, supplemental or transitional provision as they consider necessary or expedient.
Caniateir i orchymyn a wneir gan Weinidogion Cymru, y Comisiwn neu brif gyngor o dan adran 37, 38, 39 neu 43 wneud unrhyw ddarpariaeth gysylltiedig, ganlyniadol, atodol neu drosiannol sy'n angenrheidiol neu'n hwylus yn eu barn hwy neu ei farn ef.
the name of any altered area or electoral ward;
enw unrhyw ardal neu ward etholiadol sydd wedi ei newid;
the total number of councillors, the apportionment of councillors among electoral wards, the assignment of existing councillors to new or altered electoral wards and the first election of councillors for any new or altered electoral ward;
cyfanswm nifer y cynghorwyr, dosraniad cynghorwyr ymhlith wardiau etholiadol, neilltuo cynghorwyr presennol i wardiau etholiadol newydd neu wardiau etholiadol sydd wedi eu newid ac etholiad cyntaf cynghorwyr i unrhyw ward etholiadol newydd neu unrhyw ward etholiadol sydd wedi ei newid;
the holding of a fresh election of councillors for all electoral wards in the local government area in question;
cynnal etholiad newydd i gynghorwyr ar gyfer pob ward etholiadol yn yr ardal llywodraeth leol dan sylw;
the order of retirement of councillors for an electoral ward;
y drefn ar gyfer ymddeoliad cynghorwyr ar gyfer ward etholiadol;
the constitution, election to and membership of any public body in any area or electoral ward affected by the order;
cyfansoddiad unrhyw gorff cyhoeddus mewn unrhyw ardal neu ward etholiadol y mae'r gorchymyn yn effeithio arni, etholiad iddo ac aelodaeth ohono;
any of the matters described in section 41 (2).
unrhyw un neu ragor o'r materion a ddisgrifir yn adran 41 (2).
Provision of the type described in subsection (2) (c) may only be made in consequence of a change to the electoral arrangements for an area made following a review under Chapter 3.
Dim ond o ganlyniad i newid i'r trefniadau etholiadol ar gyfer ardal a wnaed yn dilyn adolygiad o dan Bennod 3 y caniateir gwneud darpariaeth o'r math a ddisgrifir yn is-adran (2) (c).
An order made by the Welsh Ministers under section 37 or 43 may apply or modify any enactment or charter.
Caiff gorchymyn a wneir gan Weinidogion Cymru o dan adran 37 neu 43 gymhwyso neu addasu unrhyw ddeddfiad neu siarter.
any other authority having powers of levying or issuing a precept for any rate for public purposes.
ystyr "cynghorydd" yw aelod etholedig awdurdod lleol.
41 General consequential and transitional provision
41 Darpariaeth ganlyniadol a throsiannol gyffredinol
The Welsh Ministers may by regulations make such incidental, consequential, supplemental or transitional provision as they consider necessary or expedient for the purposes of, or in connection with, giving full effect to orders made under section 37, 38, 39 or 43.
Caiff Gweinidogion Cymru drwy reoliadau wneud unrhyw ddarpariaeth gysylltiedig, ganlyniadol, atodol neu drosiannol sy'n angenrheidiol neu'n hwylus yn eu barn hwy at ddibenion rhoi effaith lawn i orchmynion a wneir o dan adran 37, 38, 39 neu 43 neu mewn cysylltiad â hynny.
the functions, area or jurisdiction in or over an area (or part of an area), of any public body or office within an area (or electoral ward) affected by an order made under this Part;
swyddogaethau, ardal neu awdurdodaeth mewn neu dros ardal (neu ran o ardal) unrhyw gorff cyhoeddus neu swydd gyhoeddus o fewn ardal (neu ward etholiadol) y mae gorchymyn a wneir o dan y Rhan hon yn effeithio arni;
the costs and expenses of a public body or office affected by such an order;
costau a threuliau corff cyhoeddus neu swydd gyhoeddus y mae'r cyfryw orchymyn yn effeithio arnynt;
the transfer of staff of affected public bodies or offices;
trosglwyddo staff cyrff cyhoeddus neu swyddi cyhoeddus yr effeithir arnynt;
the transfer, management or custody of property (whether real or personal) and the transfer of rights and liabilities;
trosglwyddo, rheoli neu warchod eiddo (boed yn eiddo tirol neu'n eiddo personol) a throsglwyddo hawliau a rhwymedigaethau;
the transfer of legal proceedings.
trosglwyddo achosion cyfreithiol.
Regulations under this section may apply or modify any enactment or charter.
Caniateir i'r rheoliadau o dan yr adran hon gymhwyso neu addasu unrhyw ddeddfiad neu siarter.
42 Transfers of staff
42 Trosglwyddo staff
An order under section 37, 38, 39 or 43 or, as the case may be, regulations under section 41 which makes provision about the transfer of staff must include provision to secure that -
Rhaid i orchymyn o dan adran 37, 38, 39 neu 43 neu, yn ôl y digwydd, reoliadau o dan adran 41 sy'n gwneud darpariaeth ynghylch trosglwyddo staff gynnwys darpariaeth i sicrhau -
a person who is transferred to a new employer remains on terms and conditions not less favourable than those to which the person was subject prior to the transfer until such time as the person -
bod person a drosglwyddir i gyflogwr newydd yn aros ar delerau ac amodau nad ydynt yn llai ffafriol na'r rhai yr oedd y person yn ddarostyngedig iddynt cyn iddo drosglwyddo hyd nes bod y person -
leaves the employment of the new employer, or
yn gadael cyflogaeth y cyflogwr newydd, neu
is served with a statement in writing referring to the order or regulations and specifying new terms and conditions of employment, and
yn cael datganiad ysgrifenedig sy'n cyfeirio at y gorchymyn neu'r rheoliadau ac sy'n pennu telerau ac amodau cyflogaeth newydd, a