Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
In Table 11.3.1, Part 12 Miscellaneous Loads, on both the proposed and budget sides, in 90.1-2007, 90.1-2010, and 90.1-2013 says:
All end-use load components within and associated with the building shall be modeled, unless specifically excluded by Sections 13 and 14 of Table 11.3.1: including, but not limited to, exhaust fans, parking garage ventilation fans, exterior building lighting, swimming pool heaters and pumps, elevators and escalators, refrigeration equipment, and cooking equipment.
Which indicates that you should not include exterior lighting in the model for either the budget or proposed models.
This is just my individual interpretation.
