In the Space Data tab under Electric Use, Ltg. Specification choose TailoredMethod from the drop down. Specify general lighting power in the space either by the LPD method or by building an InteriorLightingSystem for the space. If you want to claim for additional allowances allowed with the Tailored Method, choose the Allowance Type from the TailoredMethodAllowtype dropdown in the Interior Lighting System Data tab. Based on your selection, enter the length or area covered by the lights in the allowance.