There are now more than 11,000 sales tax jurisdictions across the U.S.
Complying with this complex jurisdictional matrix, each with its own set of rates, regulations and forms can be nothing less than a nightmare for smaller ecommerce businesses.
To make online retailers aware of the most important considerations, Small Business Trends conducted an exclusive interview, conducted by phone, with Chris Livingston, Director of Operations and Product Management at VertexSMB, a company that provides sales and use tax automation software for small to medium-sized businesses.
Livingston outlined the following nine considerations in this sales compliance checklist:
Sales Tax Compliance Checklist
1. Know Your Nexus
The most important compliance factor comes with knowing your “nexus.”
Nexus — also known as “sufficient physical presence” — is the term used to determine whether or not a business selling products in another state is liable for collecting sales or use tax in that state.
Nexus is required before a jurisdiction can impose taxes on an entity. Therefore, it is vital that ecommerce businesses know the states in which they have sufficient physical presence.
Determining where nexus exists can be tricky, but non-compliance can be costly, in the form of audits, penalties and interest.
What Constitutes ‘Physical Presence’
The physical presence nexus requires can include things like having office space, employees, a warehouse, affiliates, inventory or drop shipping from a third-party vendor in another state. In some jurisdictions, even having a billboard alongside the highway could constitute nexus, Livingston said.
“In the days before ecommerce, knowing your nexus was simple and straightforward,” he said. “You owned a local brick and mortar store where customers purchased products and paid the sales tax. Now, you must consider where your billboards are, the states where your salespeople live and where you have inventory.”
Click-through and Affiliate Nexus
With the onset of ecommerce, many states have passed “click-through nexus” and “affiliate nexus” legislation to impose taxes on sales made by online retailers.
According to an article on the Sales Tax Institute website, click-through nexus legislation typically requires that a remote seller “meets a minimum sales threshold in the state in question resulting from activities of an in-state referral agent.” The seller must be “making commission payments to the in-state resident for any orders that come about as a result of the click-through referral from the resident’s website.”
Affiliate nexus legislation typically requires that a remote retailer holds a “substantial interest in, or is owned by, an in-state retailer and the retailer sells the same or a substantially similar line of products under the same or a similar business name,” the article said.
2. Obtain Sales Tax and Business Licenses
Once sellers establish nexus, they need to obtain sales tax and business licenses.
“Nearly every state requires retailers to register or be licensed to collect sales tax,” Livingston said. “Once sellers decide their store has nexus in a given state, they will need to register to collect sales tax for that state.”
According to Livingston, each jurisdiction has its own method for obtaining licenses.
“Merchants will need to file different forms with the various jurisdictions,” he said. “Some require fingerprinting while others will use the seller’s social security number, for example. Also, because some licenses are renewable, merchants will need to stay on top of when renewal periods occur.”
3. Know the Tax Rates
To avoid over or under collecting sales tax, ecommerce businesses must know the correct tax rates in the states and jurisdictions where they have nexus.
Some states get so granular that the rate changes almost to the street level, Livingston said.
He cited one example of a business that had loading docks on two separate streets on different sides of the building, each with a different tax rate.
“The business had to stay constantly mindful on which dock merchandise was being off-loaded,” he said.
4. Understand Product Taxability Rules
Most items sold are considered tangible personal property (TPP) and are taxed at the standard sales tax rate. That is not always the case, however, said Livingston.
“Things can change when you get into product taxability,” he said. “There may be special rules around heavy machinery, for instance. It is considered TPP in some jurisdictions but, depending on its use, could be exempt in others, or taxed at a different rate.”
Livingston also pointed out that “Software as a Service” (SaaS) is actually considered a service for tax purposes and, depending on the location of where services take place, could have different tax consequences.
5. Recognize Difference Between Origin Vs. Destination
When it comes to intrastate transactions (those which occur within the same state), there are two types of jurisdictions: origin and destination.
Some states tax based on where the product originated while others tax based on its destination, according to Livingston.
“States such as Pennsylvania, Arizona and New Mexico charge tax based on origin,” he said. “For example, a sale that originates in Tempe (AZ) for a product sent to Scottsdale, will be taxed using the Tempe tax rate. Other states, such as New Jersey and Louisiana, determine the tax rate based on where the invoice lands. It’s not synonymous across the board. ”
6. Maintain Exemption Certificates
Sellers can issue exemption certificates to a purchaser for various reasons, including resale, 501c3 status, products used in the manufacturing process or used in farming.
“The seller must request and hold that certificate on file to prove the reason for not taxing a transaction,” he said. “Different jurisdictional rules exist around that. Buyers need to store and maintain the certificate in the event they are ever audited.”
Livingston also mentioned another area where tax exemptions exist: enterprise zones.
“An enterprise zone is a geographic area designated as a special exemption for economic advancement, such as building a new mall,” Livingston said. “In that case, exemptions serve as incentives to get businesses to come in.”
7. Charge Proper Tax Type
Sales tax (intrastate transactions) and seller’s use tax (interstate transactions) can differ, so it’s important to know the type of tax being charged.
“Different transactions require different tax types, either sales tax or seller’s use tax,” Livingston said. “Sales tax relates to intrastate transactions and may have one rate while seller’s use tax, which relates to interstate transactions, could have another.”
Based on the tax type, merchants have to charge the correct rate and complete the proper form when it’s time to remit the tax.
“Merchants can sometimes use the same form for both tax types but may have to use different forms, depending on the jurisdiction,” Livingston said. “It’s important that they file correctly, to avoid penalties and interest.”
8. Know the Risk on Returns
“There are sales tax-specific returns, seller’s use tax specific returns and consumer use tax specific returns,” Livingston said. “Finding, using and properly submitting these forms is a daunting and arduous task filled with potential error and risk. Electronic filing and electronic payments just add more risk and work to the process.”
Livingston also pointed out that a customer who bought something from an online retailer that didn’t have nexus and failed to charge tax may be liable to pay consumer use tax on the purchase.
9. Understand Audit Triggers
The last item on the list has to do with audits, something no ecommerce merchant wants but, according to Livingston, will have to undergo at some point. As such, retailers need to understand what type of actions trigger an audit.
“A significant percentage of exempt sales, large changes (increase or decrease) in sales tax and late filings can all trigger an audit,” Livingston said. “It’s not a matter of if you get audited but when. The tax man cometh.”
Livingston advised small ecommerce businesses to work with a trusted tax advisor — either a CPA or sales tax expert, to gain a better understanding of the compliance process.
“Sales tax compliance is a very complex issue that requires the help of someone with know-how,” he said. “Merchants would be wise to get advice from a trusted advisor.”
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