The process to obtain a sales tax licenses is very straightforward.
1.) The first thing you'll need to do is collect basic information for your business, such as its EIN Number, type of ownership, date the business was founded, legal name, etc.
2.) Use this link to lookup your business' North American Industry Classification System number. Most states ask for this number as part of their application process.
3.) Once you have your paperwork together, ask you accountant or tax attorney for a list of states where you'll need to file and remit sales tax proceeds.
4.) Go to each state's Department of Revenue website and click on the section for "Sales and Use Tax". The state's website will walk you through the registration process.
Tip: Have a credit card handy. The state may charge a small fee to process your application.