https://www.citizensadvice.org.uk/cymraeg/Budd-daliadau/help-if-on-a-low-income/income-support/help-with-your-income-support-claim/Edrychwch-i-weld-a-yw-newid-yn-effeithio-ar-eich-Cymhorthdal-Incwm/
Edrychwch i weld a yw newid yn effeithio ar eich Cymhorthdal Incwm - Cyngor ar Bopeth
Find out what changes of circumstances you have to report to make sure you get the right amount of Income Support.