Sections 602.3 and 602.4 of the International Property Maintenance Code are amended to read as follows:

602.3 Heat Supply. Every owner and operator of any building who rents, leases or lets one or more dwelling units or sleeping units on terms, either expressed or implied, to furnish heat to the occupants thereof shall supply heat during year-round to maintain a minimum temperature of 68°F (20°C) in all habitable rooms, bathrooms and toilet rooms.

Exceptions:

a. When the outdoor temperature is below the winter outdoor design temperature for the locality, maintenance of the minimum room temperature shall not be required provided that the heating system is operating at its full design capacity. The winter outdoor design temperature for the locality shall be as indicated in Appendix D of the International Plumbing Code.

b. In areas where the average monthly temperature is above 30°F (-1°C), a minimum temperature of 65°F (18°C) shall be maintained.

602.4 Occupiable work spaces. Indoor occupiable work spaces shall be supplied with heat year-round to maintain a minimum temperature of 65°F (18°C) during the period the spaces are occupied.

Exceptions:

a. Processing, storage and operation areas that require cooling or special temperature conditions.

b. Areas in which persons are primarily engaged in vigorous physical activities.