If your e-commerce business has enough sales to achieve economic nexus in a state, but you haven’t yet registered for a sales tax license, you’re not alone. Tax experts are often asked about the optimal time to register for a sales tax license, which you can learn more about here. But there’s another question worth exploring, and that is, “What does a company do once it has already hit nexus, but hasn’t registered with a state?”
Source: taxjar.com