1. a. Any farmstand or location on a farm, or location used by a farm or other agricultural operation, to sell firewood obtained from property other than the seller's land shall not be considered a lumber yard under municipal land use regulations or for other regulatory purposes.
b. Any firewood obtained from outside of the State shall not be sold or offered for sale at any farmstand or location on a farm, or location used by a farm or other agricultural operation, in the State unless it is heat treated and certified as heat treated and pest free by the state of origin of the firewood.