US states have taxing powers over sales where there is a sales tax nexus. The sales tax nexus is where your business has a substantial enough presence in a state for the state authorities to deem that you are taxable in such state. Now, however, companies that engage in online sales may be subject to tax obligations regardless of their sales tax nexus under the recent Supreme Court case, South Dakota v. Wayfair.

What happened in South Dakota v. Wayfair?

In South Dakota v. Wayfair, the state of South Dakota was suing Wayfair, an online retailer, for their failure to withhold and remit taxes on online sales inthe state.Wayfair argued against having to do so because under a prior Supreme Court decision, states could only apply sales tax on sellers with a sales tax nexus, which required some sort of physical presence. The Supreme Court decided it was time to take a hard look at this precedent as the growth of online retailers skyrocketed. In doing so, the Court held that states can now require online retailers to collect sales tax if certain revenue or quantity thresholds are met, regardless of whether they have a physical presence in the state.

What are the effects of South Dakota v. Wayfair?

Now, your business will need to withhold sales tax where the business:

1. Has a sales tax nexus with the state; or
2. Engages in online sales that meet the threshold level for the state (“Economic Nexus”).

This ruling primarily affects businesses with large eCommerce sales, Software as a Service sales, and digital goods/services sales. Additionally, for foreign companies who transact business in the US, this ruling may affect you even if you do not have a US permanent establishment.

What is the applicable state “threshold” for online sales?

A business will only need to comply with the ruling of South Dakota v. Wayfair if it reaches the particular state’s gross revenue or quantitative transaction threshold. The most popular gross revenue threshold utilized by states is $100,000 or more in in-state sales; whereas, the most popular state threshold based on the number of transactions is 200 in-state sales. It is critical that for each state you transact business in, you review their specific threshold requirements to ensure compliance.

I think my business meets the online sales threshold of a state, what next?

If your business has meets the online threshold of a particular state pursuant to the sales tax rules of such state, you will be required to register for a state sales tax permit and collect sales tax from all buyers in that state. The sales tax permit is obtained from the relevant state tax department.It is imperative that your business file sales tax in all jurisdictions where your business meets the threshold.

Upon receiving the sales tax permit you will be assigned a sales tax filing ‘frequency’ requiring sales tax filing to be made monthly, quarterly or annually. Again, each state has its own requirements and criteria in determining the filing frequency.

It is important to note that the process of determining whether your business is subject to the state sales tax and therefore is required to register for a sales tax permit, is of particular importance as failing to obtain a sales tax permit is deemed as criminal fraud.

How can CST help you?

Navigating through the sales tax rules can become an overwhelming process when trying to focus on the growth of your business in a new market. If you need assistance in analyzing whether your business has a sales tax nexus (physical and/or economical) in a state and whether you are required to be sales tax compliant, please don’t hesitate to get in contact with a member of our team.

Overview of U.S. Tax Residence Rules

The taxation of aliens by the United States is significantly affected by the residency status of such aliens.

Although the immigration laws of the United States refer to aliens as immigrants, non-immigrants, and undocumented (illegal) aliens, the tax laws of the United States refer only to ‘resident’ and ‘nonresident aliens’.

In general, the controlling principle is that ‘resident aliens’ are taxed in the same manner as U.S. citizens on their worldwide income, and ‘nonresident aliens’ are taxed according to special rules contained in certain parts of the Internal Revenue Code.