General FAQs for Indian tribal governments regarding excise tax requirements Insights into tribal government and members' requirements, what are "essential services" or "essential government functions", and other obligations. FAQs for Indian tribal governments regarding miscellaneous excise taxes Insights into the applicability of the excise taxes on inland waterways fuel, luxury vehicles, and manufacturing. FAQs for Indian tribal governments regarding credits/refunds on excise taxes Insights into the availability of credits and/or refunds and how to claim them.