S.C. Code Regs. 27-10. Five-leafed Pines

When the South Carolina State Crop Pest Commission shall determine that there are five-leafed pines now growing in any area in the State, or that such pines are to be grown by a nursery or are to be planted for reforestation purposes in such area, and further that such pines should be protected against the white pine blister rust, the South Carolina State Crop Pest Commission is authorized to designate such area as a "Blister Rust-Control Area" and then prescribe its boundaries.