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Associate Member States – There are two types of associate member states:
(Full) Member State – A state whose laws fully comply with the Streamlined Sales Tax Agreement.
Governing Board – The Governing Board is made up of representatives from all
full member states and associate member states.
Destination Sales Tax/Destination Sourcing – Sales tax is owed to the state where the product is delivered.
Certified Service Provider (CSP) – The Governing Board certifies service providers to provide services for Model 1 sellers.
Certified Automated Software (CAS) – The Governing Board approves and certifies software. Example: A company buys a certified software program to file a return. Certified software is referenced in Model 2.
Models – There are four models of sellers (1, 2, 3 and other). When businesses register they will choose their model (or filing method):
Model 1 – Contracts with a Certified Service Provider.
Model 2 – Business use Certified Software.
Model 3 – Business creates an internal software program to file their return.*
Model 4 (Other) – Business files return without using a CSP or any Certified Software.
*To register as a Model 3, the business must have sales revenue of more than $500 M annually and do business in at least five of the member states.