Subject to subsection (b) of this section and while a permit is in effect, the permit authorizes the holder to: operate a business through which one or more professional engineers or individuals authorized to practice engineering under § 14–303 of this title practice or offer to practice engineering; and represent to the public that the business provides or offers to provide the services of a professional engineer. A permit authorizes the holder to provide a service that constitutes the practice of engineering only if the service is performed by an individual who is licensed or otherwise authorized to practice engineering under this title.