Questions of jurisdiction are often threshold questions that must be answered before further legal analysis can take place. Simply knowing what state you’re in seems basic and straightforward. But that can change.
The South Carolina legislature recently clarified the boundary between North Carolina and South Carolina. 2016 S.C. Act No. 270. As a result, parts of North became South, and parts of South became North.
Take a look at the act, and notice all the S.C. Code sections the legislature identified as being affected by that one simple change of jurisdictional boundary. The one that caught the library’s eye addresses the question of in-state tuition. To find it, go to the full text of the act, then type Ctrl+f or Command+f, and search for the word tuition.