CertExpress Last updated Save as PDF Avalara CertExpress is a free exemption certificate creation wizard. This allows your customers to quickly and accurately send their sales tax exempt certificates to you.CertExpress for PartnersCreate a CertExpress account and sign inManage Documents in CertExpressManage vendors in CertExpressNavigate the CertExpress landing pageRespond to a document requestMost popularRespond to a document requestNavigate the CertExpress landing pageManage Documents in CertExpressCreate a CertExpress account and sign inCertExpress for PartnersShortcutsAvaTaxCertCaptureManaged ReturnsAvalara UniversityFind your home page