S.C. Code Ann. § 2-17-90
(A) Except as otherwise provided under Section 2-17-100, no lobbyist's principal may offer, solicit, facilitate, or provide to a public official or public employee, and no public official or public employee may accept lodging, transportation, entertainment, food, meals, beverages, or an invitation to a function paid for by a lobbyist's principal, except for:
(6) as to public officials or public employees, activities reasonably and directly related to state or local economic development efforts. However, the public official or public employee first must obtain prior written approval from:
(G) Notwithstanding any other provisions of this section, a public official or public employee may accept lodging, transportation, entertainment, food, meals, beverages, or an invitation to a function paid for by a lobbyist's principal if it is provided to the public official or public employee solely on the basis that the spouse of the public official or public employee is an official or employee of the providing lobbyist's principal and the spouse's receipt of the lodging, transportation, entertainment, food, meals, beverages, or invitation is purely incidental to the spouse's office or employment with the lobbyist's principal and the public official or public employee is receiving it only as the spouse of an official or employee of the providing lobbyist's principal.
ETHICS COMMISSION OPINIONS
1. In General
Non-profit trade association's ad hoc espousal of position on legislation or other official State action does not constitute lobbying, and neither association nor its board members or officers are lobbyists or lobbyist's principals within meaning of Ethics Reform Act. Op. S.C. St. Ethics Comm., SEC AO94-005, August 18, 1993.
State University that is lobbyist's principal generally may not provide to legislator lodging, transportation, entertainment, food, meals, beverages or invitation to function paid for by University even if it is provided solely because legislator's spouse is member of University's Board of Trustees. Op. S.C. St. Ethics Comm., SEC AO94-006, September 15, 1993.
Pursuant to Section 2-17-90(A)(5), lobbyist's principal may invite individual constitutional officer to function and provide officer with lodging, transportation, entertainment, food, meals or beverages so long as value of what is provided does not exceed $25 in a day and $200 in calendar year. Op. S.C. St. Ethics Comm., SEC AO94-015, January 19, 1994.