Gofynnodd Llywodraeth yr Alban am y gwaharddiad i gefnogi eu rheoliadau i wahardd nifer o eitemau plastig untro. Bwriedir i Reoliadau Diogelu'r Amgylchedd (Cynhyrchion Plastig Untro) (Yr Alban) 2021 ddod i rym ar 1 Mehefin 2022. Dylai'r OS Gwahardd ddod i rym mor agos â phosibl i'r dyddiad hwn.
The exclusion was requested by the Scottish Government to support their regulations to ban a number of single use plastic items. The Environmental Protection (Single-use Plastic Products) (Scotland) Regulations 2021 are scheduled to come into force on 1 June 2022. The Exclusion SI should come into force as soon as close to this date as possible.