Form St-121 - Web enter certificate of authority number here purchases of gas or electricity or gas or electric service used to provide gas or. New york state and local sales and use tax exempt use certificate. A sales tax exemption certificate can be used by businesses (or in some cases, individuals).
Web enter certificate of authority number here purchases of gas or electricity or gas or electric service used to provide gas or. A sales tax exemption certificate can be used by businesses (or in some cases, individuals). New york state and local sales and use tax exempt use certificate.