16. (1) In this section, “agricultural products” includes, (a) Christmas trees, eggs, fish, flowers, fruit, grains, herbs, honey, livestock, maple syrup, milk, mushrooms, nursery stock, nuts, poultry, seeds, sod, tobacco, vegetables and wood from a farm woodlot, and (b) Christmas tree products, dairy products, egg products, fish products, fruit products, grain products, herb products, honey products, livestock products, maple syrup products, mushroom products, nut products, poultry products, seed products, vegetable products and wood products, but does not include a manufactured article, unless the manufactured article, (c) is produced on a farm from an agricultural product that is listed in clause (a) or (b) and that is produced on the farm, or (d) is intended for use on a farm in the production of an agricultural product that is listed in clause (a) or (b) and that is produced on the farm.  R.R.O. 1990, Reg. 360, s. 16 (1). (2) For the purposes of section 123 of the Act, the following classes of farmers are prescribed: 1. Farmers, each of whom is a natural person who is, i. an owner, ii. a tenant, or iii. a shareholder of a corporation that is an owner or tenant, of a farm in Ontario, and who is engaged in, and has incurred liability under Part X of the Act arising out of the production of an agricultural product on the farm. 2. Farmers, each of whom is the spouse of a person described in Class 1 and who has incurred liability under Part X of the Act arising out of the production of an agricultural product on the farm. 3. Farmers, each of whom is related to a natural person described in Class 1 by blood, marriage or adoption, who is engaged in work on the farm and who has incurred liability under Part X of the Act arising out of the production of an agricultural product on the farm. 4. Farmers, each of whom is a corporation that owns or is a tenant of a farm in Ontario and that has incurred liability under Part X of the Act arising out of the production of an agricultural product on the farm, if a majority of the shareholders holding a majority of the shares of the corporation are engaged in, or are related by blood, marriage or adoption to persons engaged in, the production of agricultural products on a farm in Ontario owned or rented by the corporation. 5. Farmers, each of whom is a farmer described in paragraphs 1 to 4, except that the farmer incurred liability under Part X of the Act arising in the course of the farmer assisting in the production of an agricultural product on another farm, either without remuneration or as a custom operator, provided that in the case of a custom operator, the custom operator, i. is not operating pursuant to a licence under the Pesticides Act, and ii. has as his or her principal source of income the production of agricultural products on a farm described in paragraphs 1 to 4 with respect to that farmer.  R.R.O. 1990, Reg. 360, s. 16 (2); O. Reg. 62/00, s. 1 (1); O. Reg. 306/05, s. 1 (1). (3) For the purposes of subsection (2), a shareholder of a corporation who pledges or transfers a share in the corporation as security for a loan or other indebtedness shall be deemed to continue to be a shareholder in the corporation while he or she has the right to redeem the share.  R.R.O. 1990, Reg. 360, s. 16 (3). (4) The amount of the limit of the liability of a farmer who is a member of a class prescribed by subsection (2) for the purposes of section 123 of the Act is the greater of $500,000 or an amount equal to the total of the limits of liability under all policies of insurance that insure the farmer against liability under Part X of the Act.  R.R.O. 1990, Reg. 360, s. 16 (4). (5) Where more than one farmer who is a member of a class prescribed in subsection (2) is liable with respect to a single spill and entitled to the benefits of the limit calculated in accordance with subsection (4), the limit applies as if all the farmers involved were a single farmer.  R.R.O. 1990, Reg. 360, s. 16 (5). (6) In paragraph 2 of subsection (2), “spouse” means, (a) a spouse as defined in section 1 of the Family Law Act, or (b) either of two persons who live together in a conjugal relationship outside marriage.  O. Reg. 62/00, s. 1 (2); O. Reg. 306/05, s. 1 (2, 3).