Changes have also been made to clarify GAEC 5 and 6 of the 2018 verifiable standards, although no new rules have been introduced.
Mae’r newidiadau wedi’u gwneud hefyd er mwyn esbonio GAEC 5 and 6 yn safonau dilysadwy 2018, er nad oes unrhyw reolau newydd wedi’u cyflwyno.