If you cannot provide some of this evidence please contact us and we can talk about other ways we can get the proof.
Os nad oes cofnod o'ch cyfeiriad ar y systemau hyn, cysylltwch â Thîm Cynllun y Bathodyn Glas a gall rhywun eich cynghori ynghylch pa dystiolaeth a dderbynnir o dan yr amgylchiadau hyn.