When completing a self-assessment, you will need to choose a topic you would like help with and answer some simple questions about you or the person you are completing it for on their behalf.
Wrth gwblhau hunanasesiad, bydd angen i chi ddewis pwnc yr hoffech gael help gydag ef ac ateb rhai cwestiynau syml amdanoch chi neu'r person rydych yn ei gwblhau ar ei ran.