(1) Properties with mixed commercial and residential use where more than 50% of total square footage of the structure is dedicated to use as a residential dwelling will receive the residential homestead exemption.

(2) Properties with mixed commercial and residential use where more than 50% of the total square footage of the structure is dedicated to a commercial use, as defined in 15-1-101 , MCA, will receive the comstead exemption.

(3) If the use of the property, based on square feet, is equal between commercial and residential, the property will receive the homestead exemption.