Alabama is an Advisory State, they have not complied with the requirements to become a Streamlined Member state.
State Sales and Use Tax Rate: 4%
Local Jurisdiction Sales and Use Taxes: Yes
Sales and Use Tax Rates Look Up
Remote Seller Compliance Date: 10/1/2018
Remote Seller Thresholds:
Sales of TPP of more than $250,000 in prior calendar year; No transaction threshold
Seller must also engage in or conduct certain other activities in Alabama in addition to having more than $250,000 in sales.
Press Release (7/3/2018)
Additional Remote Seller Information: Marketplace Facilitators