Prif ddiben y Gyllideb Atodol hon yw adlewyrchu'r  newidiadau cyllidebol ers Cyllideb  Atodol Gyntaf 2022-23 a gyhoeddwyd gan Lywodraeth Cymru ym mis Mehefin 2022.
The main purpose of this Supplementary Budget is to reflect the budgetary changes since the First Supplementary Budget 2022-23 published by the Welsh Government in June 2022.