Sales Tax and CMS - NewHaven Software Wiki
Summary
As e-commerce rose in prominence, however, the traditional rules for physical nexus became insufficient and started to change to suit new business models. Your nexus could now also be affected by some of the following: With the recent South Dakota vs Wayfair ruling, you can now also establish something called “economic nexus” merely by the amount of business you do with customers in that state. States with similar laws to South Dakota: AL, CT, GA, IA, IL, IN, LA, MA, ME, MS, ND, OH, PA, RI, SC, TN, WA, and WY with different effective dates and financial triggers. To address and simplify the increasingly complex nature of taxation and reporting we looked to partner and integrate with a third party tax solution that specialized in servicing these needs. CMS has a "Commits" feature that allows you to submit all shipped invoices for a range of dates to Avalara to facilitate their sales tax filing on your behalf.