Taxes
Taxes decide what gets added to each invoice for the places you sell. This section covers choosing how tax is calculated, marking what's taxable, handling customers who shouldn't be charged tax, and meeting e-invoicing rules.
A sales tax change takes effect November 20, 2026
Advanced Billing Managed Sales Tax ends on that date. If you calculate tax with it, connect your own Avalara account before then to keep calculating tax through Avalara. Set up Link My Avalara
How the pieces fit together
Tax on an invoice depends on three things: how the rate is calculated, whether the item is taxable, and whether the customer owes tax.
Start with what you're trying to do
Pick the goal closest to yours. Each path lists articles in the order to read them.
Choose how to calculate tax
Compare custom taxes with the tax services you can connect.
Set my own tax rates
Create tax rules by region and mark what's taxable.
Connect my Avalara account
Including moving off Managed Sales Tax.
- Avalara AvaTax Integration Overview
- Set Up AvaTax in Maxio Invoicing Suite
- Create a Taxed Subscription with Avalara AvaTax ((to test before going live))
Connect another tax service
Each service has an overview, a setup guide, and a test subscription walkthrough.
Meet e-invoicing requirements
Find out which model applies, then connect Avalara ELR.
Exempt a customer from tax
Stop charging tax to a customer or EU business.
- Set Up Tax Exempt Customers
- Taxes FAQs ((VAT numbers))
Show tax details on invoices
Display VAT, GST, and tax line details for your customers.
Answers to common questions
The tax questions customers ask most, and where to find the answer.
- What do I need to do before Managed Sales Tax is retired?Set Up AvaTax in Maxio Invoicing Suite →
- How do I set up e-invoicing?Avalara ELR Integration Overview →
- Why isn't tax being added to an invoice?Configure Taxable Products and Items →
- Why did AvaTax stop calculating tax?AvaTax Troubleshooting and FAQs →
- Why is a customer charged tax when their VAT number is valid?Taxes FAQs →
- Can I use different tax rates for different products?Taxes FAQs →
- How do I mark a customer as tax exempt?Set Up Tax Exempt Customers →
After your taxes are set up
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