This page provides links and descriptions of the technology related information the states, sellers and certified service providers need to be familiar with.                           

Technology Guide 2021

Technology Guide includes information explaining:

  • Rate and Boundary Files
  • Streamlined Sales Tax Registration System (SSTRS)
    • State RegCou and RegNew
    • CSP Bulk Registrations
  • Simplified Electronic Returns
    • State Webservices
  • Schema Prints, Definitions, and related Business Rules for Registrations and SERs


SST Schema: SER, Registrations and Bulk Registrations

The official site for all schema sets is the web site for the Tax Implementation Group for E-commerce Requirements Standardization FTA E-Standards (formerly TIGERS)


Basic SER Fields