S.C. Code § 2-17-100
A public official or a public employee acting in an official capacity may not receive anything of value from a lobbyist's principal for speaking before a public or private group. A public official or public employee is not prohibited by this section from accepting a meal provided in conjunction with a speaking engagement where all participants are entitled to the same meal and the meal is incidental to the speaking engagement. Notwithstanding the limitations of Section 2-17-90, a public official or public employee may receive payment or reimbursement for actual expenses incurred for a speaking engagement. The expenses must be reasonable and must be incurred in a reasonable time and manner in which to accomplish the purpose of the engagement. The payment or reimbursement must be disclosed by the lobbyist's principal as required by Section 2-17-35 and by any public official or public employee who is required to file a statement of economic interests under Section 8-13-1110. A public official or public employee required to file a statement of economic interests under Section 8-13-1110 must report on his statement of economic interests the organization which paid for or reimbursed actual expenses, the amount of such payment or reimbursement, and the purpose, date, and location of the speaking engagement. A public official or public employee who is not required to file a statement of economic interests but who is paid or reimbursed actual expenses for a speaking engagement must report this same information in writing to the chief administrative official or employee of the agency with which the public official or public employee is associated.
If the expenses are incurred out of state, the public official or public employee incurring the expenses must receive prior written approval for the payment or reimbursement from:
S.C. Code § 2-17-100