A company/Sole Proprietor is said to be "doing business as" when the name under which they operate their business differs from its legal, registered name. Some states require dba or fictitious business name filings to be made for the protection of consumers conducting business with the entity. This is also Known as a Trade Name..
Registration with SOS(Secretary of State)
Branded Ink Pen
*Occupational License is optional.
**You typically do not need an EIN for DBA but if you would like one it is possible to retrieve.