City of Myrtle Beach issued the following announcement on September 23.
We are within 45 days of the November 2 municipal election in Myrtle Beach, and that means political yard signs are allowed on private property. However, such temporary political signs are not allowed on public property, rights-of-way or utility poles. Political signs may be no larger than four feet square and no taller than four feet high. Illegally placed signs will be removed from public property. A violation of this ordinance is a misdemeanor. Political signs must be removed within five days after the election.
Original source can be found here.