Principally based on time
4. ...[T]he word "principally" means "primarily" or "chiefly." In establishing whether a property is used principally for a given purpose, one of the main factors to be considered is the proportion of time that the property is used for that purpose. If the property is used more than 50 percent of the time for the purposes of gaining or producing gross revenue that is rent, that pattern of use is a good indication that the property is used principally for that purpose. Another important factor to be considered is the proportion of the amount of space rented in relation to the total area of the building. ...
Examples of application of extended meaning of rent under Reg. 1100(14.1)
6. ...[G]ross revenue that is rent will include revenue derived from a property such as a hotel, motel or nursing home operation, where it is established that such revenue is ancillary to the use or occupation of the property. On the other hand, if the services offered (for example, medical care in a nursing home) are such that they go beyond being merely ancillary to the use and occupation of the property, gross revenue derived from such services is not considered to be rent derived from the property.