Cyflwynodd adran 82 o'r Ddeddf ddarpariaethau sy’n gwahardd gorfodi hawl i ailfynediad neu fforffediad, o dan denantiaeth fusnes berthnasol, am beidio â thalu rhent, drwy weithredu neu fel arall, yn ystod y "cyfnod perthnasol”. Y dyddiad gwreiddiol ar gyfer diwedd "cyfnod perthnasol" y ddarpariaeth hon oedd 30 Mehefin 2020. Ers hynny mae Gweinidogion Cymru wedi cytuno i estyn y moratoriwm sawl gwaith. Y tro diwethaf cafodd y "cyfnod perthnasol" mewn perthynas â Chymru ei estyn tan 30 Medi 2021 gan Reoliadau Tenantiaethau Busnes (Estyn Gwarchodaeth rhag Fforffediad etc.) (Cymru) (Coronafeirws) (Rhif. 2) 2021.
Section 82 of the Act introduced provisions that a right of re-entry or forfeiture, under a relevant business tenancy, for non-payment of rent may not be enforced, by action or otherwise, during the “relevant period”. The end of the “relevant period” for this provision was initially 30 June 2020.  Subsequently, Welsh Ministers agreed to extend the moratorium on a number of occasions. Most recently, the “relevant period” was extended in relation to Wales until 30 September 2021 by The Business Tenancies (Extension of Protection from Forfeiture etc) (Wales) (Coronavirus) (No. 2) Regulations 2021.