CT.gov Home drs-beta Current: AN 2009(6), New Contractor's Exempt Purchase Certificate, CERT-141 Trending Now For Businesses For Individuals Practitioners Forms Publications Research Library Search Department of Revenue Services Search the current Agency with a Keyword Filtered Topic Search AN 2009(6), New Contractor's Exempt Purchase Certificate, CERT-141 AN 2009(6) New Contractor's Exempt Purchase Certificate, CERT-141 This publication available in .pdf format