The provisions of Section C505 of IECC-CE are not adopted. The following is adopted as Section C505:
"C505 CHANGE IN USE
C505.1 General.
Spaces undergoing a change in use that will result in an increase in demand for either fossil fuel or electrical energy and that requires a building permit shall comply with this code. Where the use of a space changes from one use in Table C405.3.2(1) or C405.3.2(2) to another use in Table C405.3.2(1) or C405.3.2(2), the installed lighting wattage shall comply with Section C405.3. Where the space undergoing a change in use is in a building with a fenestration area that exceeds the limitations of Section C402.4.1, the space is exempt from Section C402.4.1 provided that there is not an increase in fenestration area.
Exceptions:
1. Where the component performance alternative in Section C402.1.5 is used to comply with this section, the proposed UA shall not be greater than 110 percent of the target UA.
2. Where the total building performance option in Section C407 is used to comply with this section, the annual energy cost of the proposed design shall not be greater than 110 percent of the annual energy cost otherwise allowed by Section C407.3."