30 Miss. Code. R. 901-2.8
The terms "under his direction"...,"under the direction" and the terms "under his direct supervision" and "under his responsible supervisory control" will be construed by this Board to mean that the professional engineer or professional surveyor providing such supervision shall have made the decision on technical matters of policy and design and shall have exercised his professional judgment in all engineering and surveying matters that are embodied in the design and the plans, specifications, or other documents involved in the work. The term "supervision of construction" as it relates to an engineer shall mean the general oversight of an engineering project as it relates to the implementation of a design during construction. By applying his seal or signature to the final documents he signifies that he has complied with the requirements of these definitions, these Rules and Regulations, and applicable state Law and that he accepts responsibility therefore.
30 Miss. Code. R. 901-2.8