Resources
Explore our collection of helpful guides, contact information, and tools to assist you with tax-related questions and processes.
58 articles
State Department of Revenue Phone NumbersFind phone numbers for each state’s Department of Revenue for tax inquiries and assistance.
Canada Websites for Business Filings and RegistrationsResource for Canada State-Specific Filings and Registrations
US State Websites for Filings and RegistrationsA Comprehensive Guide to US State Websites for Filings and Registrations
Sales Tax Audit Guide for Businesses: How to Stay Audit-Ready Year-RoundUnderstand sales tax audits, required documents, and how to maintain year-round audit readiness using proper tools and practices.
ACH originator IDs per stateBelow are state’s publicly available ACH originator IDs.
Understanding Resale Certificates: A State-by-State Guide
Understanding Alaska’s Local Sales Tax SystemAlaska doesn’t have a state sales tax — here’s how local city and borough taxes work instead.
Alaska Remote Seller Sales Tax: A Beginner’s GuideHow to stay compliant under the Alaska Remote Seller Sales Tax Commission (ARSSTC)