Self-Assessment self-assessment system Revenue's self-assessment system Treoir maidir le Féinmheasúnú IT10 gcóras féinmheasúnaithe chórais féinmheasúnaithe self-assessment system the Revenue website Revenue’s Guide IT 10 A Guide to Self Assessment self-assessment system self-assessment system A Guide to Self Assessment (IT 10) Guide to Self-assessment self-assessment system self-assessment system Guide to Self-assessment self-assessment system revenue's guide to self-assessment self-employed people self-assessment system IT 10 A Guide to Self Assessment http://www.revenue.ie/en/tax/it/leaflets/it10.html Class S social insurance contributions directly to Revenue Revenue’s guide to self-assessment IT10 – A Guide to Self Assessment