S.C. Code Ann. § 33-18-230: Annual meeting.

(a) The annual meeting date for a statutory close corporation is the first business day after May thirty-first unless its articles of incorporation, bylaws, or a shareholder agreement authorized by Section 33-18-200 fixes a different date.

(b) A statutory close corporation need not hold an annual meeting unless one or more shareholders deliver written notice to the corporation requesting a meeting at least thirty days before the meeting date determined under subsection (a).