Mae'r Rheoliadau yn atal, ac eithrio mewn amgylchiadau penodedig, mynd i dŷ annedd at ddibenion gweithredu gwrit neu warant meddiannu, gweithredu gwrit neu warant adferiad neu i roi hysbysiad troi allan. Yr amgylchiadau penodedig yw pan fo'r llys wedi'i fodloni bod yr hawliad yn erbyn tresmaswyr sy'n bersonau anhysbys neu lle cafodd ei wneud yn gyfan gwbl neu'n rhannol ar sail ymddygiad gwrthgymdeithasol, troseddau difrifol, niwsans, trais domestig neu, mewn achosion lle mae'r person sy'n bresennol wedi'i fodloni bod y tŷ annedd yn wag, farwolaeth y preswylydd.
The Regulations prevent, except in specified circumstances, attendance at a dwelling-house for the purpose of executing a writ or warrant of possession, executing a writ or warrant of restitution or delivering a notice of eviction. The specified circumstances are where the court is satisfied that the claim is against trespassers who are persons unknown or where it was made wholly or partly on the grounds of anti-social behaviour, serious offences, nuisance, domestic violence or, in cases where the person attending is satisfied that the dwelling-house is unoccupied at the time of attendance, the death of the occupant.