It shall be unlawful for the Department of Agriculture to grant a permit certificate of inspection under section six, of the act, approved the twenty-first day of April, one thousand nine hundred thirty-seven (Pamphlet Laws 318), known as "The Pennsylvania Plant Pest Act of 1937," and its amendments, to landowners who are about to sell or remove unlawfully trees originally supplied from the State nurseries for future timber, or shrubs and vines originally supplied for soil erosion control, reclamation of areas affected by open pit mining, or for wildlife food and cover.
32 P.S. § 457