You are in the Dilysu a Chyfrif section Cartref … Dilysu a Chyfrif … Guidance for Returning Officers administering a Greater London Authority (GLA) election Argraffu'r dudalen hon | Argraffu'r canllawiau llawn Adnoddau ar gyfer Swyddogion Canlyniadau (Gweithredol) - Dilysu a'r Cyfrif Doubtful ballot paper booklet (Welsh) Observers access restrictions log W Observers at UK elections booklet Gofynion cyfrinachedd ar gyfer dilysu a’r cyfrif A66 (DOCX) Diweddarwyd ddiwethaf: 26 Mehefin 2025 Book traversal links for Guidance for Returning Officers administering a Greater London Authority (GLA) election Declaration of London-wide Assembly and the Mayor of London results Ar ôl yr etholiad Modal Title