This guide provides an overview of Sales Tax in Illinois, including applicable rates, registration requirements, compliance obligations, and filing deadlines. It is designed for businesses engaging in transactions within Illinois.
billion in combined sales tax revenue is collected annually in Chicago, more than any other U.S. city.
The following conditions might establish a physical nexus in Illinois:
Illinois taxes digital goods and SaaS because they are treated as tangible property or taxable services.
Illinois uses destination-based sourcing for remote sales (effective Jan 1, 2025). Apply the 6.25% state rate + all applicable local rates for the customer’s delivery location. Total rates may reach up to 11%.
Register online through MyTax Illinois via the REG-1 process; approval is immediate, though full processing may take 2–4 days, and there is no registration fee. Paper Form REG-1 is also available for manual registration.
Once registered, charge the correct combined state and local rate based on destination sourcing (for remote sellers), include tax on invoices, and remit through MyTax Illinois. Electronic filing is required except in special cases.
Shipping is taxable when it is part of the selling price or not separately stated. If separately stated and optional, it is generally exempt.
Yes. Marketplaces must collect and remit tax on behalf of sellers, and marketplace sales are excluded from economic nexus calculations for individual retailers.
Yes. Certain buyers (e.g., nonprofits, resellers) may use exemption certificates. Illinois provides ST-1 forms and an online certificate verification tool to confirm exemption validity.
How to Deregister for VAT and What to Consider First A drop in turnover, a change of business model, or the closure of a cross-border sales channel can all result in a company being registered for a tax it no longer needs to charge. Cancelling that registration is rarely as simple as writing to the […]
EDI vs E-Invoicing: What’s the Difference and Which Does Your Business Need? Both EDI and e-Invoicing move structured transactional data electronically between businesses. On the surface they look similar. In practice they serve different purposes, operate through different mechanisms, and carry very different compliance implications depending on where your business operates. Understanding the distinction is […]
Backdating VAT Registration: What Businesses Need to Know VAT registration has a deadline. Miss it, and the tax authority does not simply move the start date forward to when you applied. In most cases, it moves it back to when you should have registered in the first place. That gap between when you were liable […]
VAT IT and Helios: Every Invoice Verified, All Eligible VAT Recovered. When your business crosses borders, the tax rules, invoice formats, and compliance requirements change with every country you enter. Most expense platforms were not built to handle that. Managing it across multiple vendors is where things tend to go wrong. Helios and VAT […]
Oman’s e-Invoicing Rollout Just Changed. Here Is the Updated Timeline. On 9 August 2026, Oman’s Tax Authority issued Decision No. 189/2026, adjusting the phased rollout of its mandatory e-Invoicing programme and providing more clarity in respect of the affected taxpayers. The dates have moved. The direction has not. What Changed Phase Who It Covers Previous […]
VAT in the Events Industry: The Triggers That Catch Businesses Out Most event businesses think they have a VAT plan. What they actually have is a VAT filing plan. Those are not the same thing. Filing returns on time does not protect you if the underlying classification of your supplies is wrong. If admission […]
Branch vs Subsidiary: Why the Distinction Matters More Than You Think for VAT Reclaim Most multinationals know the difference between a branch and a subsidiary from a corporate law perspective. Fewer realise how dramatically that distinction affects their VAT position, and specifically, how much recoverable VAT they may be leaving on the table because of […]
California Is About to Tax SaaS. Here Is What Changes on 1 January 2027. If California was the state your US Sales Tax compliance team never had to think about, that changes in six months. Governor Gavin Newsom has signed Senate Bill 122 into law as part of California’s 2026-2027 budget. From 1 January […]
VAT in the Digital Age (ViDA): The Complete Guide to the EU’s VAT Reform VAT in the Digital Age, better known as ViDA, is the European Union’s biggest overhaul of VAT rules in a generation. After nearly two years of political deadlock, the reform is no longer a proposal, it is enacted EU law, with the first major deadlines within the […]
California Is About to Tax SaaS. Here Is What Changes on 1 January 2027. In today’s rapidly evolving business landscape, organisations are seeking innovative solutions to streamline financial operations, enhance compliance, and drive cost savings. Two leading platforms in this space, SAP Concur and eezi, Powered by VAT IT, offer powerful capabilities individually. When integrated, they […]
This guide provides an overview of Sales Tax in Illinois, including applicable rates, registration requirements, compliance obligations, and filing deadlines. It is designed for businesses engaging in transactions within Illinois.
billion in combined sales tax revenue is collected annually in Chicago, more than any other U.S. city.
Illinois uses destination-based sourcing for remote sales (effective Jan 1, 2025). Apply the 6.25% state rate + all applicable local rates for the customer’s delivery location. Total rates may reach up to 11%.
Register online through MyTax Illinois via the REG-1 process; approval is immediate, though full processing may take 2–4 days, and there is no registration fee. Paper Form REG-1 is also available for manual registration.
Once registered, charge the correct combined state and local rate based on destination sourcing (for remote sellers), include tax on invoices, and remit through MyTax Illinois. Electronic filing is required except in special cases.
Shipping is taxable when it is part of the selling price or not separately stated. If separately stated and optional, it is generally exempt.
Yes. Marketplaces must collect and remit tax on behalf of sellers, and marketplace sales are excluded from economic nexus calculations for individual retailers.
Yes. Certain buyers (e.g., nonprofits, resellers) may use exemption certificates. Illinois provides ST-1 forms and an online certificate verification tool to confirm exemption validity.
How to Deregister for VAT and What to Consider First A drop in turnover, a change of business model, or the closure of a cross-border sales channel can all result in a company being registered for a tax it no longer needs to charge. Cancelling that registration is rarely as simple as writing to the […]
EDI vs E-Invoicing: What’s the Difference and Which Does Your Business Need? Both EDI and e-Invoicing move structured transactional data electronically between businesses. On the surface they look similar. In practice they serve different purposes, operate through different mechanisms, and carry very different compliance implications depending on where your business operates. Understanding the distinction is […]
Backdating VAT Registration: What Businesses Need to Know VAT registration has a deadline. Miss it, and the tax authority does not simply move the start date forward to when you applied. In most cases, it moves it back to when you should have registered in the first place. That gap between when you were liable […]
VAT IT and Helios: Every Invoice Verified, All Eligible VAT Recovered. When your business crosses borders, the tax rules, invoice formats, and compliance requirements change with every country you enter. Most expense platforms were not built to handle that. Managing it across multiple vendors is where things tend to go wrong. Helios and VAT […]
Oman’s e-Invoicing Rollout Just Changed. Here Is the Updated Timeline. On 9 August 2026, Oman’s Tax Authority issued Decision No. 189/2026, adjusting the phased rollout of its mandatory e-Invoicing programme and providing more clarity in respect of the affected taxpayers. The dates have moved. The direction has not. What Changed Phase Who It Covers Previous […]
VAT in the Events Industry: The Triggers That Catch Businesses Out Most event businesses think they have a VAT plan. What they actually have is a VAT filing plan. Those are not the same thing. Filing returns on time does not protect you if the underlying classification of your supplies is wrong. If admission […]
Branch vs Subsidiary: Why the Distinction Matters More Than You Think for VAT Reclaim Most multinationals know the difference between a branch and a subsidiary from a corporate law perspective. Fewer realise how dramatically that distinction affects their VAT position, and specifically, how much recoverable VAT they may be leaving on the table because of […]
California Is About to Tax SaaS. Here Is What Changes on 1 January 2027. If California was the state your US Sales Tax compliance team never had to think about, that changes in six months. Governor Gavin Newsom has signed Senate Bill 122 into law as part of California’s 2026-2027 budget. From 1 January […]
VAT in the Digital Age (ViDA): The Complete Guide to the EU’s VAT Reform VAT in the Digital Age, better known as ViDA, is the European Union’s biggest overhaul of VAT rules in a generation. After nearly two years of political deadlock, the reform is no longer a proposal, it is enacted EU law, with the first major deadlines within the […]
California Is About to Tax SaaS. Here Is What Changes on 1 January 2027. In today’s rapidly evolving business landscape, organisations are seeking innovative solutions to streamline financial operations, enhance compliance, and drive cost savings. Two leading platforms in this space, SAP Concur and eezi, Powered by VAT IT, offer powerful capabilities individually. When integrated, they […]
This webinar explains how US businesses can identify and recover foreign VAT, breaking down key concepts like reciprocity and showing where refund opportunities are often missed.
