Very little is known about HPPD. The information in this FAQ is a combination of medical studies, information from HPPD support sites, email interviews with HPPD subjects and researchers, and speculation by the authors. All speculation is clearly identified as such.
Business license Business licenses are permits issued by government agencies that allow individuals or companies to conduct business within the government's geographical jurisdiction. It is the authorization to start a business issued by the local government.
State laws for business licenses vary, and states, cities and counties often also require separate business licenses. Businesses must conform to a variety of other tax, zoning and regulatory requirements to legally operate in a specific state, county and city.