techiaith/bydtermcymru-tm-en-cy huggingface dataset:
English: The notice of extension must state that the landlord has decided to extend the introductory period, and set out the reasons for that decision.
Welsh: Rhaid i'r hysbysiad o estyniad ddatgan bod y landlord wedi penderfynu ymestyn y cyfnod rhagarweiniol, a nodi'r rhesymau dros y penderfyniad hwnnw.
English: The notice of extension must also inform the contract-holder that he or she has a right to request a review under paragraph 4 of the landlord's decision to extend the introductory period, and of the time by which the request must be made.
Welsh: Rhaid i'r hysbysiad o estyniad hefyd hysbysu deiliad y contract bod ganddo hawl i ofyn am adolygiad o dan baragraff 4 o benderfyniad y landlord i ymestyn y cyfnod rhagarweiniol, a'i hysbysu erbyn pryd y mae'n rhaid gwneud y cais.
English: In making the decision to extend the introductory period, the landlord may take into account -
Welsh: Wrth benderfynu ymestyn y cyfnod rhagarweiniol, caiff y landlord ystyried -
English: the conduct of the contract-holder (or, if there are joint contract-holders, the conduct of any of them), and
Welsh: ymddygiad deiliad y contract (neu, os oes cyd-ddeiliaid contract, ymddygiad unrhyw un neu ragor ohonynt), a
English: A landlord may take a person's conduct into account under sub-paragraph (5) (b) whether or not the person lives continuously in the dwelling, and whatever the capacity in which the person lives in the dwelling.
Welsh: Caiff landlord ystyried ymddygiad person o dan is-baragraff (5) (b) pa un a yw'r person yn byw yn barhaol yn yr annedd ai peidio, ac ym mha rinwedd bynnag y mae'r person yn byw yn yr annedd.
English: The Welsh Ministers may by regulations amend sub-paragraph (2) for the purpose of changing when a notice of extension must be given to a contract-holder;
Welsh: Caiff Gweinidogion ddiwygio is-baragraff (2) drwy reoliadau at ddiben newid pryd y mae'n rhaid rhoi hysbysiad o estyniad i ddeiliad contract;
English: Landlord's review of decision to extend introductory period
Welsh: Adolygiad y landlord o benderfyniad i ymestyn cyfnod rhagarweiniol
English: (2) The request must be made to the landlord before the end of the period of 14 days (or such longer period as the landlord may allow in writing) starting with the day on which the landlord gives the contract-holder the notice of extension.
Welsh: (2) Rhaid gwneud y cais i'r landlord cyn diwedd y cyfnod o 14 diwrnod (neu unrhyw gyfnod hwy a ganiateir mewn ysgrifen gan y landlord) sy'n dechrau â'r diwrnod y mae'r landlord yn rhoi'r hysbysiad o estyniad i ddeiliad y contract.
English: (3) If the contract-holder requests a review in accordance with sub-paragraph (2), the landlord must carry out the review.
Welsh: (3) Os yw deiliad y contract yn gofyn am adolygiad yn unol ag is-baragraff (2), rhaid i'r landlord gynnal yr adolygiad.
English: (4) Following a review, the landlord may -
Welsh: (4) Yn dilyn adolygiad, caiff y landlord -
English: (5) The landlord must notify the contract-holder of the outcome of the review before the date on which the introductory period would end under paragraph 1 (1) (a).
Welsh: (5) Rhaid i'r landlord hysbysu deiliad y contract o ganlyniad yr adolygiad cyn y dyddiad y byddai'r cyfnod rhagarweiniol yn dod i ben o dan baragraff 1 (1) (a).
English: (6) If the landlord confirms the decision, the notice must -
Welsh: (6) Os yw'r landlord yn cadarnhau'r penderfyniad, rhaid i'r hysbysiad -
English: set out the reasons for the confirmation, and
Welsh: nodi'r rhesymau dros y cadarnhad, a
English: inform the contract-holder that he or she has a right to apply for a review in the county court under paragraph 5, and of the time by which the application must be made.
Welsh: hysbysu deiliad y contract bod ganddo hawl i wneud cais am adolygiad yn y llys sirol o dan baragraff 5, ac erbyn pryd y mae'n rhaid gwneud y cais.
English: (7) The Welsh Ministers may prescribe the procedure to be followed in connection with a review under this paragraph.
Welsh: (7) Caiff Gweinidogion Cymru ragnodi'r weithdrefn sydd i'w dilyn mewn cysylltiad ag adolygiad o dan y paragraff hwn.
English: (8) Regulations under sub-paragraph (7) may, amongst other things -
Welsh: (8) Caiff rheoliadau o dan is-baragraff (7), ymysg pethau eraill -
English: set out circumstances in which a contract-holder is entitled to an oral hearing, and whether and by whom he or she may be represented at such a hearing.
Welsh: dynodi amgylchiadau pan fo hawl gan ddeiliad contract i wrandawiad llafar, a dynodi a ganiateir iddo gael ei gynrychioli mewn gwrandawiad o'r fath, a chan bwy.
English: with paragraph 4 (2) -
Welsh: unol â pharagraff 4 (2) -
English: (a) gives notice under paragraph 4 (5) informing the contract-holder that the landlord has decided to confirm a decision to give a notice of extension under paragraph 3, or
Welsh: (a) yn rhoi hysbysiad o dan baragraff 4 (5) yn hysbysu deiliad y contract bod y landlord wedi penderfynu cadarnhau penderfyniad i roi hysbysiad o estyniad o dan baragraff 3, neu
English: (b) fails to give notice in accordance with paragraph 4 (5).
Welsh: (b) yn methu â rhoi hysbysiad yn unol â pharagraff 4 (5).
English: (2) The contract-holder may apply to the county court for a review of the decision to give the notice of extension.
Welsh: (2) Caiff deiliad y contract wneud cais i'r llys sirol am adolygiad o'r penderfyniad i roi'r hysbysiad o estyniad.
English: (3) The application must be made -
Welsh: (3) Rhaid gwneud y cais -
English: before the end of the period of 14 days starting with the day on which the landlord gives the contract-holder notice under paragraph 4 (5), or
Welsh: cyn diwedd y cyfnod o 14 diwrnod sy'n dechrau â'r diwrnod y mae'r landlord yn rhoi hysbysiad i ddeiliad y contract o dan baragraff 4 (5), neu
English: if no notice has been given in accordance with paragraph 4 (5), before the end of the period of 14 days starting with the day after the date by which the landlord was required to give notice under that sub-paragraph.
Welsh: os na roddwyd hysbysiad yn unol â pharagraff 4 (5), cyn diwedd y cyfnod o 14 diwrnod sy'n dechrau â'r diwrnod ar ôl y dyddiad erbyn pryd yr oedd yn ofynnol i'r landlord roi hysbysiad o dan yr is-baragraff hwnnw.
English: where permission is sought before the end of that period, that there is a good reason for the contract-holder to be unable to make the application in time, or
Welsh: os ceisir caniatâd cyn diwedd y cyfnod hwnnw, bod rheswm da nad yw deiliad y contract yn gallu gwneud y cais mewn pryd, neu
English: where permission is sought after that time, that there is a good reason for the contract-holder's failure to make the application in time and for any delay in applying for permission.
Welsh: os ceisir caniatâd ar ôl hynny, bod rheswm da bod deiliad y contract wedi methu â gwneud y cais mewn pryd ac am unrhyw oedi cyn gwneud cais am ganiatâd.
English: (5) The county court may confirm or quash the decision to give the notice of extension.
Welsh: (5) Caiff y llys sirol gadarnhau neu ddiddymu'r penderfyniad i roi'r hysbysiad o estyniad.
English: (6) In considering whether to confirm or quash the decision, the county court must apply the principles applied by the High Court on an application for judicial review.
Welsh: (6) Wrth ystyried a ddylai gadarnhau penderfyniad neu ei ddiddymu, rhaid i'r llys sirol gymhwyso'r egwyddorion a gymhwysir gan yr Uchel Lys pan wneir cais am adolygiad barnwrol.
English: (7) If the county court quashes the decision -
Welsh: (7) Os yw'r llys sirol yn diddymu'r penderfyniad -
English: (8) If the county court quashes the decision and the landlord gives the contract-holder a further notice of extension under paragraph 3 before the end of the post-review period -
Welsh: (8) Os yw'r llys sirol yn diddymu'r penderfyniad a bod y landlord yn rhoi hysbysiad pellach o estyniad i ddeiliad y contract o dan baragraff 3 cyn diwedd y cyfnod ôl-adolygiad -
English: the notice has effect as if given in accordance with paragraph 3 (2) (other than for the purposes of paragraph 4 (2, and
Welsh: mae'r hysbysiad yn cael effaith fel pe bai wedi ei roi yn unol â pharagraff 3 (2) (ac eithrio at ddibenion paragraff 4 (2, a
English: paragraph 4 (5) is to be read as if it requires the landlord to notify the contract-holder of the outcome of a review under that paragraph before the end of the period of 14 days starting with the day on which the contract-holder requested the review.
Welsh: mae paragraff 4 (5) i'w ddarllen fel pe bai'n ei gwneud yn ofynnol i'r landlord hysbysu deiliad y contract am ganlyniad adolygiad o dan y paragraff hwnnw cyn diwedd y cyfnod o 14 diwrnod sy'n dechrau â'r diwrnod y gofynnodd deiliad y contract am yr adolygiad.
English: Written statement may address secure contract arising at end of introductory standard contract
Welsh: Caiff datganiad ysgrifenedig ymdrin â chontract diogel sy'n codi ar ddiwedd contract safonol rhagarweiniol
English: (2) A written statement of the introductory standard contract may set out the terms of the secure contract by -
Welsh: (2) Caiff datganiad ysgrifenedig o'r contract safonol rhagarweiniol nodi telerau'r contract diogel drwy -
English: identifying the terms of the introductory standard contract that will not be terms of the secure contract, and setting out the terms that will apply only to the secure contract, or
Welsh: dynodi telerau'r contract safonol rhagarweiniol na fyddant yn delerau'r contract diogel, a nodi'r telerau na fyddant ond yn gymwys i'r contract diogel, neu
English: separately setting out all of the terms of the secure contract.
Welsh: nodi holl delerau'r contract diogel ar wahân.
English: (3) Where a written statement of an introductory standard contract addresses the securecontract in accordance with sub-paragraph (2) (a "relevant written statement") -
Welsh: (3) Pan fo datganiad ysgrifenedig o gontract safonol rhagarweiniol yn ymdrin â'r contract diogel yn unol ag is-baragraff (2) ("datganiad ysgrifenedig perthnasol") -
English: the relevant written statement is not incorrect (see section 37) merely because it addresses the secure contract,
Welsh: nid yw'r datganiad ysgrifenedig perthnasol yn anghywir (gweler adran 37) ond am ei fod yn ymdrin â'r contract diogel,
English: the landlord is to be treated as having complied with the requirement in section 31 (1) (provision of written statement) in relation to the secure contract, and
Welsh: mae'r landlord i'w drin fel pe bai wedi cydymffurfio â'r gofyniad yn adran 31 (1) (darparu datganiad ysgrifenedig) mewn perthynas â'r contract safonol, ac
English: the terms of the secure contract may not be enforced against the contract-holder before the occupation date of that contract (and accordingly, section 42 does not apply).
Welsh: ni chaniateir gorfodi telerau'r contract diogel yn erbyn deiliad y contract cyn dyddiad meddiannu'r contract hwnnw (ac, yn unol â hynny, nid yw adran 42 yn gymwys).
English: (4) If the occupation date of a secure contract addressed in a relevant written statement changes because the landlord has extended the introductory period in accordance with paragraph 3, the relevant written statement is not incorrect merely because it does not set out the new occupation date.
Welsh: (4) Os yw dyddiad meddiannu contract diogel y mae datganiad ysgrifenedig perthnasol yn ymdrin ag ef yn newid am fod y landlord wedi ymestyn y cyfnod rhagarweiniol yn unol â pharagraff 3, nid yw'r datganiad ysgrifenedig perthnasol yn anghywir ond am nad yw'n nodi'r dyddiad meddiannu newydd.
English: between the landlord and the contract-holder before the occupation date of the secure contract, subject to sub-paragraphs (2) to (5).
Welsh: ag ef drwy gytundeb rhwng y landlord a deiliad y contract cyn dyddiad meddiannu'r contract diogel, yn ddarostyngedig i is-baragraffau (2) i (5).
English: Section 108 (1) to (5) (limit on variation) applies in relation to such a variation.
Welsh: Mae adran 108 (1) i (5) (cyfyngiad ar amrywio) yn gymwys mewn perthynas ag amrywiad o'r fath.
English: Sections 109 (1) to (3) and 110 (written statement of variation) apply in relation to such a variation.
Welsh: Mae adrannau 109 (1) i (3) a 110 (datganiad ysgrifenedig yn cofnodi amrywiad) yn gymwys mewn perthynas ag amrywiad o'r fath.
English: Section 104 (1) to (3) or (as the case may be) section 105 (1) (b) and (2) to (4) applies in relation to a variation of the rent or other consideration which is to be payable under the secure contract.
Welsh: Mae adran 104 (1) i (3) neu (yn ôl y digwydd) adran 105 (1) (b) a (2) i (4) yn gymwys mewn perthynas ag amrywio'r rhent neu'r gydnabyddiaeth arall a fydd yn daladwy o dan y contract diogel.
English: This paragraph is a fundamental provision which is incorporated as a term of all introductory standard contracts where the written statement of the contract is a relevant written statement;
Welsh: Mae'r paragraff hwn yn ddarpariaeth sylfaenol sydd wedi ei ymgorffori fel un o delerau pob contract safonol rhagarweiniol pan fo'r datganiad ysgrifenedig o'r contract yn ddatganiad ysgrifenedig perthnasol;
English: section 20 provides that this paragraph -
Welsh: mae adran 20 yn darparu -
English: must be incorporated, and
Welsh: bod rhaid i'r paragraff hwn gael ei ymgorffori, a
English: Terms of secure contract which was an introductory standard contract
Welsh: Telerau contract diogel a oedd yn gontract safonol rhagarweiniol
English: (2) If the landlord and the contract-holder have agreed what the terms of the secure contract are to be in that event, the terms of the contract are the terms agreed.
Welsh: (2) Os yw'r landlord a deiliad y contract wedi cytuno ar yr hyn fydd telerau'r contract diogel yn yr achos hwnnw, telerau'r contract yw'r telerau y cytunwyd arnynt.
English: Sub-paragraph (2) is subject to the provisions of this Act as to the incorporation of fundamental and supplementary provisions.
Welsh: Mae is-baragraff (2) yn ddarostyngedig i ddarpariaethau'r Ddeddf hon ynghylch ymgorffori darpariaethau sylfaenol ac atodol.
English: If the landlord and the contract-holder have not agreed what the terms of the secure contract are to be in that event -
Welsh: Os nad yw'r landlord a deiliad y contract wedi cytuno ar yr hyn fydd telerau'r contract diogel yn yr achos hwnnw -
English: the fundamental and supplementary provisions applicable to secure contracts made with the landlord are incorporated as terms of the contract without modification,
Welsh: mae'r darpariaethau sylfaenol ac atodol sy'n gymwys i gontractau diogel a wneir gyda'r landlord wedi eu hymgorffori fel telerau'r contract heb eu haddasu,
English: any terms of the contract which are incompatible with those fundamental or supplementary provisions cease to have effect, and
Welsh: mae unrhyw un neu ragor o delerau'r contract sy'n anghydnaws â'r darpariaethau sylfaenol neu atodol hynny yn peidio â chael effaith, ac
English: otherwise, the terms of the secure contract are the same as the terms of the introductory standard contract.
Welsh: fel arall, mae telerau'r contract diogel yr un fath â thelerau'r contract safonol rhagarweiniol.
English: Landlord's duty to give address at start of contract does not apply in relation to secure contract
Welsh: Nid yw'r ddyletswydd ar landlord i roi cyfeiriad ar ddechrau contract yn gymwys mewn perthynas â chontract diogel
English: (introduced by section 46)
Welsh: (a gyflwynir gan adran 46)
English: FURTHER PROVISION
Welsh: DARPARIAETH BELLACH
English: (2) "Deposit scheme" means a scheme for the purpose of -
Welsh: (2) Ystyr "cynllun blaendal" yw cynllun at ddiben -
English: safeguarding deposits paid in connection with occupation contracts, and
Welsh: diogelu blaendaliadau a delir mewn cysylltiad â chontractau meddiannaeth, a
English: facilitating the resolution of disputes arising in connection with such deposits.
Welsh: hwyluso'r broses o ddatrys anghydfodau sy'n codi mewn cysylltiad â blaendaliadau o'r fath.
English: (3) "Arrangements" means arrangements with any person ("the scheme administrator") under which the scheme administrator undertakes to establish and maintain a deposit scheme of a description specified in the arrangements.
Welsh: (3) Ystyr "trefniadau" yw trefniadau gydag unrhyw berson ("gweinyddwr y cynllun") y mae gweinyddwr y cynllun yn ymrwymo i sefydlu a chynnal cynllun blaendal o ddisgrifiad a bennir yn y trefniadau oddi tanynt.
English: (4) The arrangements must require the scheme administrator to give the Welsh Ministers such information, and such facilities for obtaining information, as the Welsh Ministers may require.
Welsh: (4) Rhaid i'r trefniadau ei gwneud yn ofynnol i weinyddwr y cynllun roi i Weinidogion Cymru unrhyw wybodaeth, ac unrhyw gyfleusterau ar gyfer cael gwybodaeth, a all fod yn ofynnol gan Weinidogion Cymru.
English: (5) The Welsh Ministers may -
Welsh: (5) Caiff Gweinidogion Cymru -
English: give financial assistance to the scheme administrator;
Welsh: rhoi cymorth ariannol i weinyddwr y cynllun;
English: guarantee the discharge of any financial obligation incurred by the scheme administrator in connection with the arrangements.
Welsh: rhoi gwarant mewn perthynas ag unrhyw rwymedigaeth ariannol a ddaw i ran gweinyddwr y cynllun mewn cysylltiad â'r trefniadau.
English: (6) The Welsh Ministers may make regulations conferring powers and imposing duties on scheme administrators.
Welsh: (6) Caiff Gweinidogion Cymru wneud rheoliadau sy'n rhoi pwerau ac yn gosod dyletswyddau ar weinyddwyr cynlluniau.
English: Authorised deposit schemes:
Welsh: Cynlluniau blaendal awdurdodedig:
English: proceedings where the occupation contract has not ended
Welsh: dwyn achosion pan na fo'r contract meddiannaeth wedi dod i ben
English: (2) The first ground is that the landlord has not complied with section 45 (2) (a) (initial requirements of an authorised deposit scheme).
Welsh: (2) Y sail gyntaf yw nad yw'r landlord wedi cydymffurfio ag adran 45 (2) (a) (gofynion cychwynnol cynllun blaendal awdurdodedig).
English: (3) The second ground is that the landlord has not complied with section 45 (2) (b) (provision of required information).
Welsh: (3) Yr ail sail yw nad yw'r landlord wedi cydymffurfio ag adran 45 (2) (b) (darparu gwybodaeth ofynnol).
English: (4) The third ground is that the applicant -
Welsh: (4) Y drydedd sail yw -
English: has been notified by the landlord that a particular authorised deposit scheme applies to the deposit, but
Welsh: bod yr ymgeisydd wedi cael ei hysbysu gan y landlord bod cynllun blaendal awdurdodedig penodol yn gymwys i'r blaendal, ond
English: has been unable to obtain confirmation from the scheme administrator that the deposit is being held in accordance with the scheme.
Welsh: nad yw'r ymgeisydd wedi gallu cael cadarnhad oddi wrth weinyddwr y cynllun bod y blaendal yn cael ei ddal yn unol â'r cynllun.
English: (5) The county court must act as follows if -
Welsh: (5) Rhaid i'r llys sirol weithredu fel a ganlyn -
English: in the case of an application on the first or second ground, it is satisfied that the ground is made out, or
Welsh: yn achos cais ar y sail gyntaf neu'r ail sail, os yw'n fodlon bod y sail wedi ei phrofi, neu
English: in the case of an application on the third ground, it is not satisfied that the deposit is being held in accordance with an authorised deposit scheme.
Welsh: yn achos cais ar y drydedd sail, os nad yw'n fodlon bod y blaendal yn cael ei ddal yn unol â chynllun blaendal awdurdodedig.
English: (6) The county court must either -
Welsh: (6) Rhaid i'r llys sirol naill ai -
English: order the person who appears to be holding the deposit to repay the deposit to the applicant before the end of the relevant period, or
Welsh: gorchymyn i'r person yr ymddengys ei fod yn dal y blaendal ad-dalu'r blaendal i'r ymgeisydd cyn diwedd y cyfnod perthnasol, neu
English: order the person who appears to be holding the deposit to pay the deposit, before the end of the relevant period, to the scheme administrator of a custodial deposit scheme (if such a scheme is in force in accordance with arrangements under paragraph 1) to be held in accordance with the scheme.
Welsh: gorchymyn i'r person yr ymddengys ei fod yn dal y blaendal dalu'r blaendal, cyn diwedd y cyfnod perthnasol, i weinyddwr cynllun blaendal gwarchodol (os oes cynllun o'r fath mewn grym yn unol â threfniadau o dan baragraff 1) i'w ddal yn unol â'r cynllun.
English: (7) The county court must also order the landlord to pay to the applicant, before the end of the relevant period, a sum of money not less than the amount of the deposit and not more than three times the amount of the deposit.
Welsh: (7) Rhaid i'r llys sirol hefyd orchymyn i'r landlord dalu i'r ymgeisydd, cyn diwedd y cyfnod perthnasol, swm o arian heb fod yn llai na swm y blaendal a heb fod yn fwy na thair gwaith swm y blaendal.
English: (8) The relevant period is the period of 14 days beginning with the date of the order.
Welsh: (8) Y cyfnod perthnasol yw'r cyfnod o 14 diwrnod sy'n dechrau â dyddiad y gorchymyn.
English: (9) For the purposes of this paragraph, a custodial deposit scheme is a deposit scheme (within the meaning of paragraph 1 (2 under which deposits are paid to the scheme administrator by the landlord and held by the scheme administrator until, in accordance with the scheme, they fall to be paid to the landlord or contract-holder (or any person who paid the deposit on the contract-holder's behalf).
Welsh: (9) At ddibenion y paragraff hwn, cynllun blaendal gwarchodol yw cynllun blaendal (o fewn ystyr paragraff 1 (2 y telir blaendaliadau oddi tano gan y landlord i weinyddwr y cynllun ac y caiff y blaendaliadau eu dal oddi tano gan weinyddwr y cynllun, yn unol â'r cynllun, hyd nes y daw'n bryd eu talu i'r landlord neu i ddeiliad y contract (neu i unrhyw berson a dalodd y blaendal ar ran deiliad y contract).
English: proceedings where the occupation contract has ended
Welsh: dwyn achosion pan fo'r contract meddiannaeth wedi dod i ben
English: (2) The first ground is that the landlord did not comply with section 45 (2) (a) (initial requirements of an authorised deposit scheme).
Welsh: (2) Y sail gyntaf yw nad yw'r landlord wedi cydymffurfio ag adran 45 (2) (a) (gofynion cychwynnol cynllun blaendal awdurdodedig).
English: (3) The second ground is that the landlord did not comply with section 45 (2) (b) (provision of required information).
Welsh: (3) Yr ail sail yw nad yw'r landlord wedi cydymffurfio ag adran 45 (2) (b) (darparu gwybodaeth ofynnol).
English: was notified by the landlord that a particular authorised deposit scheme applied to the deposit, but
Welsh: bod yr ymgeisydd wedi cael ei hysbysu gan y landlord bod cynllun blaendal awdurdodedig penodol yn gymwys i'r blaendal, ond
English: has been unable to obtain confirmation from the scheme administrator that the deposit is being held in accordance with the scheme.
Welsh: nad yw'r landlord wedi gallu cael cadarnhad oddi wrth weinyddwr y cynllun bod y blaendal yn cael ei ddal yn unol â'r cynllun.
English: in the case of an application on the first or second ground, is satisfied that the ground is made out, or
Welsh: yn achos cais ar y sail gyntaf neu'r ail sail, yw'r llys sirol wedi ei fodloni bod y sail wedi ei phrofi, neu
English: in the case of an application on the third ground, is not satisfied that the deposit is being held in accordance with an authorised deposit scheme,
Welsh: yn achos cais ar y drydedd sail, nad yw'r llys sirol wedi ei fodloni bod y blaendal yn cael ei ddal yn unol â chynllun blaendal awdurdodedig,
English: it may order the person who appears to be holding the deposit to repay all or part of the deposit to the applicant before the end of the relevant period.
Welsh: caiff y llys sirol orchymyn i'r person yr ymddengys ei fod yn dal y blaendal ad-dalu'r blaendal i gyd, neu ran ohono, i'r ymgeisydd cyn diwedd y cyfnod perthnasol.