I should let Charlie address this issue since he brought it up but here is what my state (which I've redacted) has to say.
RESPONSIBLE CHARGE AND DIRECT SUPERVISION.
Responsible charge; defined.
A person in responsible charge of architectural, engineering, land surveying, landscape architectural, geoscience, or certified interior design work as used in ... means the person who determines and reviews design criteria, including technical aspects, advises with the client, and has direct supervision of subordinates during the course of the work and, in general, the person whose professional skill and judgment are embodied in the plans, designs, and advice involved in the work.
Direct supervision; defined.
A person in "direct supervision" of work as referred to in ... means that person who is the employer, an employee of the same firm, or who is under contract to or from another firm and who is in responsible charge of the technical aspects of the architectural, engineering, land surveying, landscape architectural, geoscience, or certified interior design work in progress, and whose professional skill and judgment are embodied in the plans, specifications, reports, plats, or other documents required to be certified pursuant to that subdivision. A person in direct supervision of work directs the work of other licensees, unlicensed professionals, technicians, and clerical persons assigned to that work and is in responsible charge of the project comprising the work being supervised.