12. (1) Every producer of milk shall provide a milk house attached to or adjacent to buildings where animals are milked. R.R.O. 1990, Reg. 761, s. 12 (1). (2) Every milk house shall be in a location that, (a)  ensures good drainage and freedom from contamination; (b)  is accessible for tank-truck pick-up; and (c)  provides a tank-truck loading area that is reasonably level. R.R.O. 1990, Reg. 761, s. 12 (2). (3) Every milk house shall, (a)  have clear space sufficient for washing, cleaning, rinsing and storing milking equipment and utensils; (b)  have a floor capable of supporting, without sagging or heaving, the cooling and storing facilities for milk and cream and the milking equipment and utensils; (c)  have a floor with a smooth surface that is impervious to liquids and that has adequate slope towards the floor drain; (d)  have one or more drains that, (i)  can be maintained in a sanitary condition, (ii)  are in an open position, (iii)  are located in the floor of the milk house at least 60 centimetres from the outlet of each farm bulk tank, (iv)  have a diameter of at least 10 centimetres, and (v)  are capable of draining any liquids from the floor in a manner approved by the Director; (e)  have walls with smooth surfaces, impervious to liquids, extending for a reasonable distance from the floor; (f)  be lighted sufficiently for the carrying out of all operations therein, including visual inspection of the milk in each farm bulk tank; (g)  be provided with at least one door to the outside and, where it has a door opening into the milking area, such door shall be solid and tight-fitting; (h)  have each door, including the door into the milking area, equipped with a self-closing device and such doors shall be kept closed; (i)  be provided with screens for all windows and other openings sufficient to prevent entry of insects; (j)  have walls and roof insulated to prevent condensation upon the inside walls and ceilings except such condensation as is caused by steam or hot water used in the milk house; (k)  be properly ventilated; (l)  be provided with a sink having two compartments; (m)  be provided with adequate amounts of hot and cold potable water under adequate pressure; (n)  be provided with a water hose with attached nozzle for rinsing each farm bulk tank; and (o)  subject to clause (7) (f), be provided with a milk hose transfer-port that shall be, (i)  located near the outlet valve on each farm bulk tank, (ii)  maintained in good condition, (iii)  equipped with a self-closing device, and (iv)  used only for the passage of hose in the transfer of milk from a farm bulk tank to the tank-truck. R.R.O. 1990, Reg. 761, s. 12 (3); O. Reg. 392/99, s. 1 (1-3); O. Reg. 901/21, s. 2 (1). (4) Every milk house shall be, (a)  kept neat and clean and reasonably free from insects at all times; (b)  used only for, (i)  cooling and storing milk or cream, (ii)  storing milking equipment and utensils, and (iii)  washing and sanitizing milking equipment and utensils; and (c)  maintained so as not to impede the bulk tank milk grader in the performance of his or her duties. R.R.O. 1990, Reg. 761, s. 12 (4). (5) No animals or fowl shall be permitted to enter a milk house. R.R.O. 1990, Reg. 761, s. 12 (5). (6) Subject to subsection (7), no producer of cow’s milk shall have more than two farm bulk tanks. O. Reg. 392/99, s. 1 (4). (7) A producer of cow’s milk may have two farm bulk tanks if, (a)-(c) Revoked: O. Reg. 901/21, s. 2 (2). (d)  the two tanks are not connected to each other; (e)  each tank is designed for every day pick-up of milk or has a plate heat exchanger; (f)  each tank is situated so that its milk can be transferred to the tank-truck by the bulk tank milk grader on one stop using a standard tank-truck hose; and (g)  there are two milk-house transfer ports in the milk house if two ports are necessary to permit the milk in both tanks to be transferred to the tank-truck on one stop using a standard hose. O. Reg. 392/99, s. 1 (4); O. Reg. 901/21, s. 2 (2, 3); O. Reg. 61/22, s. 2; O. Reg. 152/23, s. 1. (8) No producer of goat’s milk may have more than two farm bulk tanks. O. Reg. 392/99, s. 1 (4).