1. This Part applies to all buildings covered in this Code. (See Article 1.1.1.1.)

(See Note A-2.2.1.1.(1).)

1. Except as provided in Sentences (2) to (6), the objectives described in this Part apply
   1. to all buildings covered in this Code (see Article 1.1.1.1.), and
   2. only to the extent that they relate to compliance with this Code as required in Article 1.2.1.1.
2. Objective OS4, Resistance to Unwanted Entry, applies only to dwelling units in buildings covered in Part 9 of Division B. (See Article 1.3.3.3.)
3. Objective OH3, Noise Protection, applies only to dwelling units.
4. Objective OH5, Hazardous Substances Containment, applies only to the extent defined in
   1. the National Plumbing Code of Canada 2015,, and
   2. the National Fire Code of Canada 2015.
5. Objective OA, Accessibility (including Objectives OA1, Barrier-Free Path of Travel, and OA2, Barrier-Free Facilities), does not apply to
   1. detached houses, semi-detached houses, houses with a secondary suite, duplexes, triplexes, townhouses, row houses and boarding houses (see Note A-1.4.1.2.(1), Secondary Suite),
   2. buildings of Group F, Division 1 major occupancy, and
   3. buildings that are not intended to be occupied on a daily or full-time basis, including automatic telephone exchanges, pumphouses and substations.
6. Objective OE, Environment (including Objectives OE1, Resources, and OE1.1, Excessive Use of Energy), applies only to
   1. buildings of residential occupancy to which Part 9 of Division B applies,
   2. buildings containing business and personal services, mercantile or low-hazard industrial occupancies to which Part 9 of Division B applies whose combined total floor area does not exceed 300 m2, and
   3. buildings containing a mix of the residential and non-residential occupancies
7. described in Clauses (a) and (b).

(See Note A-2.1.1.2.(6).) (See also Article 1.3.3.3.)