A ballot paper would also be non-transferable if it is unclear to the returning officer for any other reason which candidate is next in the order of preference.
Ni fyddai modd trosglwyddo papur pleidleisio chwaith os nad yw’n glir i’r swyddog canlyniadau am unrhyw reswm arall pa ymgeisydd sydd nesaf yn nhrefn blaenoriaeth.