Rule 4 - Filing Civil Action; Action against Corporation; Long Arm Statute(a) A civil action may be filed in any magistrates court in the county in which at least one defendant resides or where the most substantial part of the cause of action arose, except that civil actions against domestic corporations may be filed in the county where such corporation shall have its principal place of business. (b) A civil action may be filed in any magistrates court in the county in which the plaintiff resides or where the cause of action arose when the defendant does not reside in this State and jurisdiction is based upon S.C. Code Ann. § 36-2-803.