mr. boskovich said, so at that point, it would become mandatory seismic work. so -- but at this point, with the -- there's no change of occupancy. there is a change of use. the building code does not trigger it for that work, okay? >> okay. thank you. >> thank you. >> yeah. i have a last question for mr. boskovich. both soft story upgrades are utilizing frames, aren't they? >> yeah. it's a little surprising they're not -- >> sheer walls usually reflect a seismic upgrade. >> oh, absolutely. the only reason you're putting in sheer walls and hold downs is you're providing lateral strength to be equal to the story above. so they're advancing the retrofit of a future soft story retrofit. it's coming. there's no other reason to put a sheer wall on a first floor unless it's a soft story. >> my question was a sheer wall -- a soft story, normally, they're putting in a steel frame. >> you're allowed to do -- the soft story program only allows two different types of retrofit, plywood sheer walls or steel frames. >> thank you. >> i've actually got a question for the d.p.h.